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What are the possible 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 Effects

How to Manage

Pain, redness, swelling at the injection site

Fever, chills

Headache, muscle pain, joint pain

Those with fever are advised to self-isolate at home until the fever subsides.

Paracetamol 1 to 2 tablets for the other side effects every 6 hours for adults or dosed accordingly to the child's weight as needed.



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).

  • Respiratory symptoms such as cough, runny nose, sore throat, shortness of breath or loss of sense of taste and smell develop.

  • Heart or chest symptoms such as chest pain, shortness of breath or abnormal heart beats develop.

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.

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