The World Health Organization's vaccine advisory panel recommends that people who are immunocompromised or received an inactivated vaccine should receive a booster dose of a Covid-19 shot, the head of the panel said Thursday.
The recommendation comes after the Strategic Advisory Group of Experts (SAGE) on immunisation held a meeting Tuesday to evaluate the need for Covid-19 boosters.
Speaking in a briefing, SAGE chair Alejandro Cravioto said emerging data shows that vaccines' efficacy against Covid-19 wanes, with a significant decline seen in older people in particular.
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Published 09 December 2021, 10:02 IST