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What are some common side-effects of the flu vaccine?

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Some people may feel faint after the vaccination. Sit for 15 minutes to avoid fainting. Soreness, redness, or swelling at the injection site, slight headache, body aches or tiredness; fever of more than 38'C is not common. - These side effects usually go away on its own within 2 to 3 days - You may take Paracetamol to help to relieve the pain or fever

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