Sinopharm’s BBIBP-CorV vaccine is one of China’s two most used Covid-19 jabs. Photo: AFP
Sinopharm’s BBIBP-CorV vaccine is one of China’s two most used Covid-19 jabs. Photo: AFP

Covid-19 booster from China’s Sinopharm is weaker against Omicron, study finds

  • The jab shows significantly weaker neutralising activity against the variant than against an older strain, researchers say
  • The vaccine’s neutralising activity eight to nine months after a second dose ‘declined rapidly and could hardly be detected’, making a third dose necessary

Topic |   Coronavirus pandemic
Sinopharm’s BBIBP-CorV vaccine is one of China’s two most used Covid-19 jabs. Photo: AFP
Sinopharm’s BBIBP-CorV vaccine is one of China’s two most used Covid-19 jabs. Photo: AFP
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