COVID-19 Vaccination

Find out more on Singapore's COVID-19 vaccination programme and how vaccines work to protect our loved ones and ourselves from COVID-19 infection.

15 Apr 2021


Falsehood on COVID-19 Vaccination Links with Stroke and Heart Attack
MOH is aware of falsehoods circulating that the COVID-19 vaccination has clear and causal links with stroke and heart attack. In particular, there are allegations that a doctor had suffered a stroke and an 81-year-old man had passed away from heart attack as a consequence and result of receiving the COVID-19 vaccination. These allegations are false. Please click here for the facts of the case.

Vaccination Appointment
Due to the strong demand for COVID-19 vaccinations in Singapore and limited supplies, we seek your understanding that there may be limited slots available at your preferred location. However, we wish to inform you that there are appointment slots available at other locations where you may wish to consider to book your appointments. Thank you for your patience and understanding.

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Beware of false information on COVID-19 Vaccination Certificates
We are aware of a message circulating on text messaging platforms advising people to provide their passport number for their vaccination certificate. MOH would like to clarify that we are not issuing any physical certificate for COVID-19 vaccination and will not be collecting passport or NRIC numbers for this. 

To view your COVID-19 vaccination records, please click here and login with your SingPass for more info. You can also call the MOH hotline at 1800-333-9999 if you have further queries. Thank you.

Please stay at home if you have an MC or are feeling unwell
You should only take the vaccination when you are well. 

Please do not proceed with your COVID-19 vaccination appointment if you are:

- Unwell, or have a fever in the last 24 hours
- On Medical Certification (MC) to stay home
- Have a cough, runny nose, and/or sore throat
- Serving Stay-Home-Notice (SHN) or Quarantine Order

Please reschedule your appointments using the same booking link you had received via SMS. For assistance, please call MOH at 1800-333-9999.

Beware of Scam
We are aware of websites, emails, SMS text messages and phone calls falsely claiming to offer registration for COVID-19 vaccination. Please note that registration for the COVID-19 vaccination can only be done via We advise the public to check the MOH website for information on Singapore’s COVID-19 vaccination programme.

Please always verify the authenticity of instructions before offering any personal or financial information. You can also call the MOH hotline at 1800-333-9999 if you have any queries. Thank you.

Vaccination Data (as of 6 Apr 2021)

Received First Dose

Completed Full Vaccination Regimen

Total Doses Administered

About Singapore's COVID-19 Vaccination Programme

The COVID-19 vaccination programme seeks to protect Singaporeans against COVID-19, as well as to protect businesses and jobs through the progressive re-opening of Singapore. Vaccination is free to all Singaporeans and long-term residents in Singapore. 

There is a risk of serious, life-threatening disease and death from COVID-19 infection, especially in the elderly and other vulnerable groups (e.g. persons with comorbidities). Getting vaccinated against COVID-19 is one way to prevent the disease, minimise the risk of transmission, and prevent our healthcare system from being overwhelmed. 

It is important for us to achieve as high a level of population coverage as possible, to provide protection for the majority of our population. A population with high vaccination coverage against COVID-19 will indirectly protect those who are unable to receive COVID-19 vaccination (e.g. severely immunocompromised individuals, subgroups such as children where safety data is not available), as the risk of transmission of the disease will be greatly reduced. 


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What do I Need to Know?

Last updated 31 Mar 2021

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Section I: General Information on COVID-19 Vaccines


How many types of Covid-19 vaccines are there?

There are 5 main types of COVID-19 vaccines which have been announced:  

a.  mRNA vaccines: e.g. Pfizer-BioNTech, Moderna, Arcturus

b.  virus vectored vaccines: e.g. Astra-Zeneca, Gamaleya, Can-Sino

c.  inactivated virus vaccines: e.g. Sinovac, Bharat

d.  protein subunit vaccines: e.g. Novavax, Sanofi-Pasteur

e.  virus-like particle (VLP) vaccines: e.g. Medicago


How do mRNA vaccines work?


The COVID-19 mRNA vaccine consists of messenger ribonucleic acid (mRNA) that carry instructions to make the spike protein of the virus. The mRNA used in the vaccine is synthesised and not extracted from actual viruses. After being given by intramuscular injection, the vaccine mRNA is taken up by cells which then produce the spike protein. This stimulates the production of a good antibody and cellular immune response to the spike protein that protects the vaccinated person because the spike protein is an important part of the SARS CoV-2 virus. The spike proteins are however incapable of forming SARS CoV-2 viruses or causing COVID-19 infection. The vaccine mRNA only persists for two days before it is naturally broken down by the body. It does not enter the nucleus of cells and hence cannot interfere with the DNA of the vaccine recipient.


Are mRNA vaccines a form of genetic modification?


No, they are not a form of genetic modification. The mRNA vaccine is in a form that is cannot be converted back to DNA. Since our human genome is made up of DNA, there is no possibility that the COVID-19 mRNA will interfere with or modify human DNA. The mRNA is completely degraded within 48 hours of introduction to the human body.

The spike protein generated through the introduction of the COVID-19 mRNA is recognised by the body’s immune system to develop an immune response (e.g. generation of antibodies), similar to what happens in a natural infection against COVID-19.

Q4Are the COVID-19 vaccines halal? 

The Islamic Religious Council of Singapore (MUIS)’s position is that COVID-19 vaccines are permissible for Muslim use. Please refer to MUIS’ religious position on the COVID-19 vaccine here.

Q5 I understand that there may be more than one strain of COVID-19. Will the vaccine cover us fully against all strains? What about the recent COVID-19 variants in UK, will the vaccines protect against such variants or future variants?

There is no evidence at this time suggesting that the Pfizer-BioNTech and Moderna’s vaccines do not protect against specific COVID-19 strains, including the UK’s reported variant. MOH is closely monitoring this issue.

[Updated 27 Mar] Section II:  Safety and Efficacy of the COVID-19 Vaccine

Q1Which vaccines are approved for use in Singapore?

 The Health Sciences Authority (HSA) has assessed that the Pfizer-BioNTech and Moderna COVID-19 Vaccines meet safety and efficacy standards. HSA has authorised their use locally under the Pandemic Special Access Route (PSAR) which facilitates early access to vaccines and medicines during a pandemic, such as COVID-19. 

This is supported by the Expert Committee on COVID-19 Vaccination (EC19V) which has also reviewed the clinical data on Pfizer BioNTech and Moderna COVID-19 vaccines*. Only vaccines deemed suitable for use in target population subgroups, and where overall benefits outweigh the known risks, are recommended for use by the Expert Committee.

* Links to Press Releases (27 Dec 2020 and 3 Feb 2021):

1. Expert Committee Submits Recommendations on Singapore’s COVID-19 Strategy

2. Government Accepts Recommendations of Expert Committee on COVID-19 Vaccination

3. HSA Grants Interim Authorisation for Moderna COVID-19 Vaccine in Singapore

4. Second COVID-19 Vaccine Authorised for Use in Singapore


Vaccines for COVID-19 have been approved for use in a shortened timeframe compared to other vaccines or drugs. How can we be sure that scientific rigour has not been compromised?


An accelerated development timeline for vaccines against COVID-19 was possible given the following:

a. Significant investment and dedication of resources from vaccine manufacturers to the ramping up of vaccine production; moreover, the mRNA technology platform had already been in development for many years prior to the COVID-19 pandemic.

b. Strong global partnerships between many different partners including international organisations, governments, researchers and manufacturers;

c. Given the pandemic situation, recruitment for and conduct of the randomised controlled trials to identify the differences in disease risk between those given vaccines and placebo, are able to be conducted more quickly than in the absence of a pandemic.

d. Many trials have performed their trial phases concurrently, allowing for sufficient data to be produced in a shorter time.

Safety, scientific or ethical integrity have not been compromised, and no short-cuts have been made, but the unique circumstances and factors described above have allowed accelerated development.


How effective is the vaccine? How long does the protection last?


Based on Phase 3 trial data from Pfizer-BioNTech and Moderna, the efficacy of the vaccines in preventing symptomatic COVID-19 disease, after completion of the vaccine regimen, is about 95%. The vaccines continue to be effective for at least two months with no signs of waning protection. MOH will continue to monitor and review further data on the duration of immunity.


If it is a single dose, what will the efficacy be?


Two doses of the Pfizer-BioNTech and Moderna COVID-19 vaccines are required to achieve optimal protection against COVID-19. Persons should complete two doses of either the the Pfizer-BioNTech and Moderna vaccines, based on the respective vaccination schedules. 


Can vaccinated persons get infected with COVID-19? Are they less able to transmit the disease?


The Pfizer-BioNTech and Moderna COVID-19 vaccines were shown to be about 95% effective in preventing symptomatic disease. That means that some vaccinated persons may still be vulnerable to infection. 

We are awaiting further data on whether vaccination will completely prevent onward transmission of infection. Based on experience with vaccination for other diseases, there is likely to be some increase in protection against onward transmission, even if it is not 100% protection. Most vaccines that protect from viral illnesses also prevent transmission of the virus by those that are vaccinated. 

Q6Who should not get the mRNA-based COVID-19 vaccines?

  The mRNA-based COVID-19 vaccines are not recommended for (1) pregnant women, (2) severely immunocompromised persons, and (3) children under the age of 16 years for Pfizer-BioNTech COVID-19 vaccine and children under the age of 18 years for Moderna COVID-19 vaccine for now, until more efficacy and safety data become available for these subgroups. 

Persons with a history of anaphylaxis to any drugs, vaccines, food, insect stings or unknown triggers SHOULD NOT receive the mRNA-based COVID-19 vaccines. Anaphylaxis is a severe life-threatening reaction with two or more of the following three criteria:
a) Hives or face/eyelid/lip/throat swelling;
b) Difficulty breathing;
c) Dizziness.

A history of having been prescribed an Epi-Pen suggests anaphylaxis risk and such persons SHOULD NOT receive the Pfizer COVID-19 vaccine at this time.

Persons who had history of an allergic reaction to other vaccines may be allergic to specific components of vaccines which could also be present in the COVID-19 vaccine. These persons may require consultation with a specialist to determine if the person is suitable for vaccination with a mRNA-based COVID-19 vaccine. The vaccination sites will be able to provide the referral to the specialist and will be fully subsidised. These individuals SHOULD NOT be vaccinated with the mRNA-vaccines until they have been evaluated on the suitability of the vaccination with mRNA vaccines by the specialist. 

Persons who had history of an allergic reaction to previous dose of the Pfizer COVID-19 vaccine or Moderna COVID-19 vaccine or any of its components SHOULD NOT be vaccinated with the mRNA-v
Persons with a history of the following severe drug reactions SHOULD NOT be vaccinated with the mRNA-based vaccines. This includes:
a) Stevens-Johnsons Syndrome (SJS)
b) Toxic Epidermal Necrolysis (TEN)
c) Drug Rash with Eosinophilia and Systemic Symptoms (DRESS)
d) Drug-induced Hypersensitivity Syndrome (DiHS)

Persons with atopy (such as eczema, allergic rhinitis or asthma) can be vaccinated.  

A person with a family history (but NOT a personal history) of anaphylaxis CAN be vaccinated

 Q7Who are considered severely immunocompromised and should not receive the mRNA-based vaccine?

 The following are some examples of severely immunocompromised persons, but there may be other examples not on this list. If in doubt, patients are encouraged to discuss their suitability for COVID-19 vaccination with their doctor. Individuals will also be assessed by the medical personnel at the vaccination sites for their suitability to receive the vaccination before they are vaccinated.
• Transplant within the past 3 months (solid organ or stem cell)
• On cancer chemotherapy, immunotherapy or radiation therapy
• Aggressive immunotherapy (e.g. Rituximab) for non-cancer conditions
• HIV infection with CD4 < 200 cells/mL

Q8If a person cannot currently receive the mRNA-based COVID-19 vaccines i.e. is contraindicated against the vaccine, does it mean that the person will not be able to be protected against COVID-19 through vaccination?

 Persons for whom the Pfizer-BioNTech COVID-19 Vaccine or Moderna COVID-19 vaccine is contraindicated at this time may be able to get vaccinated with these vaccine(s) if data becomes available that it is safe to vaccinate them. Alternatively, they may be able to get vaccinated with other suitable COVID-19 vaccines, when available.

Q9Can individuals with a history of NSAIDS-induced angioedema or multiple allergies be vaccinated with the mRNA-based vaccine?

 While we previously advised that individuals with history of NSAIDs-induced angioedema or history of multiple allergies defer vaccination with a mRNA-based COVID-19 vaccine, emerging local and international scientific evidence had shown individuals with NSAIDs-induced angioedema CAN be vaccinated with a mRNA-based COVID-19 vaccines, as long as there are no other life-threatening signs and symptoms suggestive of anaphylaxis
Individuals with multiple allergies CAN be vaccinated, as long as the allergies are not life-threatening (i.e. anaphylactic) in nature. It is the severity of the allergy, and not the number of allergies that determines if a person can be vaccinated.

Q10Can persons with active cancer be vaccinated?
 Persons with active cancer who are NOT on treatment with chemotherapy, radiotherapy or immunotherapy CAN be vaccinated. Based on the experts’ advice, active cancer not on treatment can be defined as:
• Not being on any of the above treatment in the past 3 months AND
• Not having planned treatment of the above in the next 2 months
Persons with a history of cancer, who are in remission, CAN be vaccinated.
Persons on active cancer chemotherapy, radiation therapy or immunotherapy
SHOULD NOT receive the mRNA-based COVID-19 vaccines.
Persons on active cancer hormonal therapy CAN be vaccinated.

Q11Can persons with prior COVID-19 infection be vaccinated?

 Recovered persons who have not completed COVID-19 vaccination may receive a single dose of vaccine. This applies to recovered persons who are unvaccinated and recovered persons who had received one dose of vaccine before being infected. There is evidence shown that a single dose of vaccine can further boost the immunity against COVID-19 in persons who have recovered from a COVID-19 infection. 

Recovered persons should discuss with their doctors on when to receive the vaccine. The general recommendation is to wait at least 6 months from the date of infection before receiving the vaccine dose. 

No routine testing by PCR or serology is required before getting COVID-19 vaccination to determine eligibility for vaccination.

Q12Can a woman who is breastfeeding receive the mRNA-based COVID-19 Vaccine?

 Women who are breastfeeding can be vaccinated.  Out of an abundance of caution, women can consider suspending breastfeeding for 5-7 days after receiving the vaccine.  If a woman feels she is unable to suspend breastfeeding and still wishes to get vaccinated, she can be vaccinated.

Q13How soon after vaccination can a woman try to conceive? Can a woman be vaccinated if she is pregnant? If she received the first dose of vaccine and then became pregnant, can she get the second dose?

 Women who are planning a pregnancy are advised to consider deferring conception for 1 month after completing the second dose, out of an abundance of caution. This does not apply to male vaccine recipients.

There is currently not enough evidence to advise on the use of COVID-19 vaccines during pregnancy. It is recommended that pregnant women defer vaccination until more data becomes available. They may receive the COVID-19 vaccine after delivery. 

Women who become pregnant after the first dose and before the second dose should not receive the second dose of vaccine, but should postpone it until after delivery.

Q14 Is COVID-19 vaccination safe for those with chronic illness such as hypertension, high cholesterol and diabetes?  

 The study population for Pfizer-BioNTech’s and Moderna's phase 3 trials included persons with medical comorbidities, who were at risk of serious, life-threatening disease and death from COVID-19 infection, and there were no safety concerns reported in this group. Persons with chronic illnesses are recommended to receive the vaccine for personal protection as well as protecting their loved ones.

Q15Can I receive another (non-COVID-19) vaccine at the same time as COVID-19 vaccine? How long do I have to wait before getting other vaccines?

 There is no data on administering COVID-19 vaccine at the same time as other non-COVID-19 vaccines. A minimum interval of 14 days is recommended before or after any other vaccines i.e. other vaccines should not be administered 14 days or less before the first dose; or 14 days or less after the second dose of a COVID-19 vaccine.


Can I donate blood after receiving the COVID-19 vaccine?  


The Health Sciences Authority (HSA) and the blood bank has implemented a new blood donation eligibility guideline for donors who received a COVID-19 vaccine.  

The deferral period may vary depending on the type of vaccine received or if you developed symptoms after receiving the vaccine.  Please click here  for more information. 

Q17In light of the reported deaths of elderly persons in Norway after taking the Pfizer vaccine, will the Government be reviewing the vaccination strategy in Singapore, and whether any additional precautions will be taken?  

 MOH, the Health Sciences Authority (HSA) and the Expert Committee on the COVID-19 Vaccination (EC19V) have been monitoring international reports on vaccine-related adverse events and deaths in elderly recipients. The Norwegian health authorities and the World Health Organization’s Global Advisory Committee on Vaccine Safety have found no evidence that the Pfizer-BioNTech vaccine contributes to an increased risk of death in the elderly. 

Thus, we continue to offer COVID-19 vaccination for our seniors. It is important and vital to vaccinate and protect seniors, as COVID-19 infection in the elderly has been observed to result in severe, or fatal illness. Nevertheless, MOH has reiterated to vaccination providers that doctors should review the medical history of seniors carefully to confirm that they are indeed suitable for vaccination, and that they should be monitored closely in the immediate period after a vaccination.

Q18If I am allergic to the first dose of the mRNA vaccine and will not receive my second dose, am I still protected from COVID-19? Will there be suitable alternatives in future for me?

 The current mRNA-based vaccines (Pfizer-BioNTech and Moderna)'s dosing regimens recommend for 2 doses to ensure that the optimal protection is provided.
Persons who are unable to receive the full 2-doses regimens of the mRNA-based vaccines may have suitable alternatives in future as more vaccine candidates are made available.  

Q19Moderna is unsuitable for those below 18 years old. How will I know if I or my child is receiving the appropriate vaccine?

 Our National Appointment System verifies an individual’s age and will only show vaccination locations carrying the appropriate vaccine. This prevents those aged below 18 years old from selecting vaccination locations that carry the Moderna vaccine. Children 16-17 years old will only be administered the Pfizer vaccine.

Q20[Added 27 Mar] I am unsure if it is medically safe for me to be vaccinated. What should I do?

 MOH has put in place steps to ensure it is medically safe before you are vaccinated. Before making appointments for vaccination, you will be prompted to complete an online screening form, which contains medical questions to screen out those who are unsuitable for the current COVID-19 vaccines (i.e. Pfizer-BioNTech and Moderna). Once you have cleared the online screening, you will be invited to book your appointments for vaccination. In the event that you have booked your appointments but remain unsure if you should receive the vaccine, there will be another round of medical screening conducted at your preferred vaccination site on the day of vaccination. You may seek clarifications or further assessment with the medical professionals onsite to assist with any medical queries that you may have. If you are unsure of your allergy history, the vaccination sites are able to securely access your allergy history if required.
Alternatively, you may consult your regular doctor for advice if you should receive the COVID-19 vaccination. Please note that any charges incurred for such pre-vaccination consultation with your doctor are not covered under the COVID-19 vaccination programme. Your doctor may provide a memo on your condition which will be useful for the medical team at the vaccination site to assess your suitability for vaccination. However, the final decision as to whether you should proceed with
vaccination will be made by the medical professionals at the vaccination site.

[Updated 31 Mar] Section III: Singapore’s COVID-19 Vaccination Programme


Which groups are prioritised groups to receive the vaccination, and what is the rationale for prioritising them?


There is a general consensus globally on the need to prioritise vaccination based on the following principles:

a. Sustain healthcare and COVID-19 response systems

b. Reduce morbidity and mortality among those at greatest risk

c. Protect those at increased risk due to their living or working conditions (e.g. settings with the potential for rapid transmission and large outbreaks)

d. Maintain the function of society as a whole with a view to maximise benefits and minimise harms.

As vaccine supply will arrive in Singapore in batches over several months as manufacturers increase their production of vaccines, vaccination should start with groups who are at greater risk and hence most in need of COVID-19 vaccination, including healthcare workers and COVID-19 frontline workers, as well as vulnerable groups at greater risk of severe disease from COVID-19 infection, such as the elderly.

Q2[Updated 31 Mar] Can Singaporeans who are required to travel for work and studies opt in to receive early COVID-19 vaccination?

Vaccine supplies continue to be limited. Our focus thus far has been to vaccinate identified priority groups on public health considerations. As more supplies arrive, we will consider allowing Singapore Citizens and Permanent Residents with very exceptional circumstances to receive their vaccination earlier.
Singaporeans and PRs with compelling reasons such as travel for education, employment or compassionate grounds, may now submit appeals for early vaccination. The criteria and application form can be found at


Are PRs, persons on Long Term Visitor Pass, Employment Pass, S Pass, Work permit, and dependant pass holders considered long-term residents in Singapore, and eligible for vaccination for free?


Yes, persons on Long Term Visitor Pass, Employment Pass, S Pass, Work permit, and dependant pass holders will be eligible for COVID-19 vaccinations for free when it is made available to them.


Will Singaporeans and Permanent Residents residing overseas be given the vaccines?


Vaccinations will be offered in Singapore, and Singaporeans and Permanent Residents medically eligible for the vaccinations will be able receive them here (i.e. if they fly back to Singapore) when it is made available to them.

Q5How is the vaccination administered?

 This vaccine is given as an injection into the muscle of your upper arm and consists of 2 doses, with the second dose due in 21-28 days. You need both doses to have the full vaccine protection, and for the protection to last as long as possible.

Q6How will the government assist persons who suffer from serious side effects following vaccination? Do current insurance policies cover serious side effects related to vaccines?

 Like all vaccines, most people who receive the COVID-19 vaccines do not experience side effects. Some may experience mild symptoms, such as pain at the injection site and mild fever, that resolve on their own in a few days. In very rare instances, persons may experience serious side effects, such as a severe allergic reaction.

The Vaccine Injury Financial Assistance Programme for COVID-19 Vaccination (VIFAP) provides one-time goodwill financial assistance to persons who experience serious side effects that are assessed to be related to COVID-19 vaccines administered in Singapore.

To qualify for the VIFAP, individuals must be a Singapore Citizen, Permanent Resident or long-term pass holder who had received the COVID-19 vaccination in Singapore [1] and experienced a serious side effect that is potentially life-threatening or fatal that required inpatient hospitalisation or caused persistent incapacity or disability. A doctor must assess if the serious side effects are linked to the COVID-19 vaccination received by the individual.

To apply for VIFAP, individuals will need to submit an application accompanied by medical information on the serious side effect from their treating doctor. As the severity of serious side effects can be broad-ranging and the clinical assessment by doctors may vary, all VIFAP applications will be assessed and adjudicated by a MOH-appointed independent clinical panel comprising experts in relevant fields such as neurology, immunology and infectious diseases. 

The VIFAP will be open for applications from 17 March 2021. More information on how to apply can be found here.

[1] Using COVID-19 vaccines which are approved under the Health Sciences Authority (HSA)’s Pandemic Special Access Route (PSAR) and/or registered under the Health Products Act.

Q7What type of financial assistance will I receive from the Vaccine Injury Financial Assistance Programme (VIFAP)?

 The quantum of the one-time goodwill pay-out under the VIFAP is based on the severity of the serious side effects attributed to the COVID-19 vaccines. Persons may qualify for one of the following tiers of pay-out:

i)  One-time pay-out of $2,000 for individuals who required inpatient hospitalisation and medical intervention, and subsequently recovers;
ii)  One-time pay-out of $10,000 for individuals who required admission to High Dependency or Intensive Care, and subsequently recovers; and
iii)  One-time pay-out of $225,000 for individuals who die or suffer permanent severe disability as a result of COVID-19 vaccination.

The VIFAP is not meant to reimburse medical costs. It provides an additional layer of financial support, on top of the existing government healthcare financing schemes for medical costs incurred, which include government subsidies, MediShield Life, MediSave and MediFund.

The VIFAP will be open for applications from 17 March 2021. More information on how to apply can be found here

Q8Where will my vaccination records be kept?
 The vaccinations records will be kept electronically in the National Immunisation Registry. You may view your vaccination status and record on HealthHub.

Q9Can I be vaccinated if I am ill on the day of vaccination?
 If you are unwell, please reschedule your vaccination at or by clicking on the booking link sent via SMS to your phone at registration.

Q10I have missed my vaccination appointment. What should I do?

As much as possible, please turn up for your appointment to avoid denying someone else an appointment slot and to ensure a smooth vaccination process. Nevertheless, we understand that there could be extenuating circumstances (e.g. on MC, personal reasons) which could result in the appointment being missed. If you have missed your appointment, please rebook your appointment via the National Appointment System as soon as possible.

Do note that the second dosage should also be administered between 21-28 days from the first dose for the Pfizer-BioNTech vaccine, and 28-35 days for the Moderna vaccine. Both doses are required for full protection, and for long-lasting protection. Individuals who are late for their second dose (i.e. after day 28 for Pfizer or day 35 for Moderna) should receive the second dose at the earliest opportunity. Delaying the second dosage (and appointment) could reduce the overall effectiveness of the vaccine.

Section IV:  Post-vaccination Matters

Q1Are there any side effects? What should I do  if I suffer from any side effects?
 The vaccine has been assessed to be safe for use. However, you may experience common side effects, similar to other vaccines. Most side effects are mild or moderate, and usually get better within a few days. The table below lists some common side effects that have been reported with this vaccine, and how to manage them.

Side EffectsHow to Manage
Pain, redness, swelling at the injection site
Paracetamol 1 to 2 tablets every 6 hours as needed
Fever, chills
Headache, muscle pain, joint pain
Lymph node swelling at neck or arms
Usually gets better by itself in a week or so

See a doctor if:
• The side effects persist or get worse
• The fever persists for more than 48 hours (2 days)

In very rare cases, this vaccine can cause a severe allergic reaction. Signs of a severe allergic reaction include: difficulty breathing, swelling of your face, throat, eyes or lips, a fast heartbeat, dizziness and weakness, a bad rash all over your body.  If you experience a severe allergic reaction, seek medical attention immediately. Call 995 or go to the nearest A&E immediately.


How long do we have to observe and report the side effects from the vaccine? Which side effect takes the longest to manifest?


Most side effects will resolve within 3 days. Though uncommon, lymphadenopathy (lymph node swelling) can be vaccine-related, and takes around 7 to 10 days to resolve.


Would there be post-vaccination monitoring in place, e.g. will some staff and residents continually be tested for COVID-19 virus antibodies, to determine durability of the vaccination response?


As a condition for the interim authorisation under PSAR, vaccine companies including Pfizer-BioNTech are required to monitor the longer term efficacy of the vaccine to determine the duration of protection against COVID-19, as well as follow up on the safety of the vaccine for a longer period of time to determine its full safety profile. Vaccine companies must continue submitting the longer term follow up data to HSA to assure the continued effectiveness and safety of the vaccine. HSA will actively review the data to ensure that the benefits of the vaccine continue to outweigh the known risks. When sufficient data is available for full registration, the companies will be required to file an application to transit the status of the product from PSAR interim authorisation to full registration.

Research studies will be conducted to better understand the impact of the COVID-19 vaccination, including the durability and the extent the vaccine is able to prevent transmission. Hence, vaccinated persons may be recruited for such studies.


With COVID-19 vaccines deployed, is there still a need for public health measures such as donning of full PPE among healthcare workers?


We are still monitoring clinical data on the duration of the vaccine’s protection and its effectiveness in preventing transmission. As such, until a significant proportion of the population is vaccinated, we will need to continue to practice public health measures, such as safe distancing, mask wearing and good hand hygiene, so that we can continue to protect ourselves and our loved ones.


What sorts of activities will vaccinated persons be allowed to do (e.g. karaoke)? Will they be exempted from measures such as pre-event and/or pre-departure/ entry to Singapore testing? What about public health measures such as quarantine?


While there is evidence that COVID-19 vaccines are effective in preventing symptomatic disease, the extent of their ability in preventing transmission to others is still being studied.

Hence, vaccinated persons should still continue to adhere to public health and general safe management measures.


Can I use the proof of vaccination for travel purposes? Will it be recognised by other countries?


Jurisdictions have different travel restrictions and requirements, please verify jurisdictions’ restrictions and requirements before you travel.


Will existing measures such as RRT, ARI testing and donning of PPE by staff still be required for those who are vaccinated?


Public health measures, such as safe distancing, mask wearing and good hand hygiene, should continue to be practised. MOH will continue to assess the local situation in the review of the various public measures. Amongst others, this will take into account considerations such as the take-up of vaccine in the population, the availability of data on the vaccine’s duration of protection and the extent of its ability to prevent transmission.

Q8What happens if I develop an allergic reaction to my first dose?
 If you experience a possible allergic reaction to the first dose (e.g. eye or lip swelling, hives, generalised skin rashes, breathlessness), you should seek medical attention. Persons with an allergic reaction to the first dose are advised not to take the second dose and should cancel the appointment for it. Fever, chills, muscle pain, headaches, injection site pain are not allergic reactions. We will track this group of individuals and update when there are suitable vaccines available.

Vaccination Brochure

COVID-19 Vaccination Brochure

Available in the following languages


Can I receive the Vaccination?


Available in the following languages and format



We asked the experts frequently asked questions about COVID-19 Vaccination. Click on the image below to hear their answers.
COVID-19 VAccination Explainer
Click on the relevant languages below to view GOV.SG's COVID-19 vaccination video playlists.


Click on the image below to view GOV.SG's COVID-19 vaccination video playlist by the celebrities.


Vaccination Centres

SLA Screenshot
Click on the map above to find a Vaccination Centre near you or visit for more info.

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