90% of China's Sinovac employees, families took coronavirus vaccine, says CEO

90% of Sinovac Biotech Ltd employees and their families have taken an experimental coronavirus vaccine developed by the Chinese firm under the country's emergency use program, its chief executive said on Sunday. The extent of inoculations under the emergency program, which China launched in July points to how actively it is using experimental vaccines in the hopes of protecting essential workers against a potential Covid-19 resurgence.