Brazil halts trials of Chinese Covid-19 vaccine after ‘serious adverse incident’ involving volunteer

News Snapshot:

Brazil has suspended clinical trials of a Chinese-developed Covid-19 vaccine after an ‘adverse incident’ involving a volunteer recipient. Pictured: a nurse administers the vaccine to a volunteer in Brazil The Brazilian regulator Anvisa said it had ‘ruled to interrupt the clinical study of the CoronaVac vaccine after a serious adverse incident’ involving a volunteer recipient on October 29. It said it could not give details on what happened because of privacy regulations, but that such incidents included death, potentially fatal side effects, serious disability, hospitalization, birth defects and other ‘clinically significant events.’ Sinovac, however, said the incident was ‘not related...