One CNBG executive said taking his company’s vaccines produced antibody levels higher than those of recovered Covid-19 patients. Photo: EPA-EFE
Chinese execs took firm’s Covid-19 vaccine pre-trials ‘to lead by example’
- China National Biotec Group tried its experimental vaccines on 180 executives before human trials were approved
- ‘My arm went blue from drawing blood dozens of times,’ the company’s vice-president Zhang Yuntao says
One CNBG executive said taking his company’s vaccines produced antibody levels higher than those of recovered Covid-19 patients. Photo: EPA-EFE