Coronavirus: fourth shot of Sinopharm vaccine won’t boost protection against Omicron, study finds
Published
Feb 24 2022 at 3:00 AM GMT
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- Immunity wanes six months after three doses of the Sinopharm Covid-19 vaccine are given, but a fourth shot will not provide more protection against the Omicron strain, a study has found.
- Researchers from Sun Yat-sen University in Guangzhou said their study suggested that “urgent use” of inactivated vaccines – like the Sinopharm one – as a fourth booster shot against variants of concern such as Omicron was “feasible but not ideal”.Recombinant spike protein or mRNA vaccines based on the variants….
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- Published Feb 24, 2022 3:00 AM GMT