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

A Covid-19 vaccine booster shot by China’s Sinopharm showed significantly weaker neutralising activity against the Omicron variant than for an older coronavirus strain from Wuhan, Chinese researchers found.Researchers from Shanghai Jiao Tong University and the Institute of Respiratory Diseases said that they had assessed samples from 292 health care workers given a third shot eight to nine months after their second, in a study published on Saturday on preprint server medRxiv.The study, which…

Read the original article at South China Morning Post