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London, Jan 23: Senior medics are at odds in the UK over the optimum gap between the two doses of vaccines being administered for protection against Covid-19.
The two vaccines currently being injected among the country’s priority groups, Pfizer/BioNTech and Oxford/AstraZeneca, both require a booster shot a few weeks later.
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Initial advice for the second dose to be delivered within 21 days was modified by the UK government scientists to up to 12 weeks apart, with the aim of vaccinating larger numbers with at least one jab to inject some level of immediate protection.
The government’s Joint Committee on Vaccination and Immunisation (JCVI) claims unpublished data suggest…
