Monday, January 25, 2021
Health

Sinovac: Brazil results show Chinese vaccine 50.4% effective

Sinovac: Brazil results show Chinese vaccine 50.4% effective
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A figure for efficacy is reached by looking at how many people developed Covid after being given the vaccine, compared with how many were affected when given a dummy injection. Normally, that is based on people developing obvious symptoms but in this Brazilian trial, people with no symptoms also appear to have been included.



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