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WHO advises a third COVID shot for users of Chinese vaccines – Sydney Morning Herald
Observational data on Sinopharm and Sinovac shots “clearly showed that in older age groups … the vaccine performs less well…
WHO vaccine director Kate OBrien, referring to people with lower immunity due to other conditions, told a news briefing: The recommendation is for a third vaccination, an additional vaccination in the primary series and again that is based on the evidence…
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