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Eight-week gap between first and second Pfizer vaccine doses a sweet spot | Harwich and Manningtree Standard

An eight-week gap between the first and second doses of the Pfizer/BioNTech Covid-19 vaccine is a “sweet spot” when it comes to generating strong immune response while protecting the UK population against the Delta variant of coronavirus, scientists have said. In a new study, funded by the Department of Health and Social Care (DHSC), researchers have found that when compared to a four-week gap, a 10-week interval between the doses produces higher antibody levels, as well as a higher proportion of a group of infection-fighting cells in the body known as “helper” T cells. At the start of the second wave of the Covid-19 epidemic, the Joint Committee on Vaccination and Immunisation (JCVI) made a decision to recommend a 12-week gap between two doses for the two vaccines that were available at the time: Pfizer and Oxford/AstraZeneca.

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