Very common (affects more than 1 in 10 people) Headache Tiredness Pain, redness, swelling or a hard lump at the injection site Fever Aching muscles, joint pain Common (affects at least 1 in 100 people) Warmth, itching or bruising at the injection site Increased sweating, shivering, flu-like symptoms Swollen glands in the neck, armpit or groin Uncommon (affects at least 1 in 1,000 people) Tingling or numbness of the hands or feet General constitutional upset of sleepiness or sleeplessness, generally feeling unwell, dizziness. Diarrhea, vomiting, stomach pain, feeling sick Skin reactions of itching, rash or urticaria (hives) Rare (affects at least 1 in 10,000 people) Serious generalised allergic reactions of anaphylaxis Fits Severe stabbing or throbbing pain along one or more nerves Low blood platelet count which can result in bleeding or bruising Very Rare (affects less than 1 in 10,000 people) Vasculitis Neurological disorders such as encephalomyelitis, neuritis or Guillain–Barré syndrome temporary paralysis