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Geneva, Jan 08: World Health Organisation experts on Friday issued recommendations that the interval between administration of two doses of the Pfizer-BioNTech vaccine against the coronavirus can be extended to up to six weeks.
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WHO’s Strategic Advisory Group of Experts on immunisation, known as SAGE, formally published its advice after a full review of that vaccine, which is the first to get emergency approval from the UN health agency to fight the COVID-19 pandemic. It said an interval of 21 to 28 days between the doses is recommended.
But the UN health agency also noted that a number of countries face exceptional circumstances of vaccine supply constraints combined with a…
