Pfizer, AstraZeneca vaccine antibody levels may decline after 2-3 months: Lancet study

Total antibody levels start to wane six weeks after complete immunisation with Pfizer and AstraZeneca vaccines, and can reduce by more than 50 per cent over 10 weeks, according to study published in The Lancet journal. The researchers from University College London (UCL) in the UK noted that if the antibody levels carry on dropping … Read more

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