As with all vaccines, you might experience mild to moderate side effects that may last a few days. If you have pain and/or a fever, you can treat these side effects by taking medicines such as paracetamol. Below are the known side effects, grouped by frequency. Very common (may affect more than 1 in 10 people): Pain at the injection site Tiredness Headache Muscle pain Chills Joint pain Fever (over 38 °C) Common (may affect up to 1 in 10 people): Injection site swelling Redness at the injection site Nausea Uncommon (may affect up to 1 in 100 people): Enlarged lymph nodes Feeling unwell
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