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Sinovac coronavirus vaccines create ‘immunity barrier’ in Brazilian town: study

A Brazilian research institute said preliminary results from a small town in the country indicated a big reduction in coronavirus hospitalisations and deaths after almost all the adults in the community were given vaccines by Chinese partner Sinovac Biotech.Releasing the interim data on Monday, the Butantan Institute said the vaccines created an immunity barrier in the town of 45,000 people.In the Brazil study, some 27,000 adults, or 96 per cent of the adult population of Serrana outside Sao…

Read the original article at South China Morning Post

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