“The protection rates of existing vaccines are not high,” Gao Fu, director of the Chinese Center for Disease Control and Prevention, told a conference in…
View More Chinese Covid-19 vaccine efficacy is ‘not high,’ top health official admits“The protection rates of existing vaccines are not high,” Gao Fu, director of the Chinese Center for Disease Control and Prevention, told a conference in…
View More Chinese Covid-19 vaccine efficacy is ‘not high,’ top health official admits