Commentary: China’s COVID-19 vaccines have gone from lab to public at breakneck speed. Are they safe and effective? Toggle share menu Advertisement Commentary: China’s COVID-19 vaccines have gone from lab to public at breakneck speed. Are they safe and effective? Advertisement Commentary Commentary Commentary: China’s COVID-19 vaccines have gone from lab to public at breakneck speed. Are they safe and effective? The early rollout of COVID-19 vaccines into the general population should really be viewed as an unofficial extension of clinical trials, rather than an ultimate seal of approval, says an observer. FILE PHOTO: A man works in the packaging facility of Chinese vaccine maker Sinovac Biotech, developing an experimental coronavirus disease (COVID-19) vaccine, during a government-organized media tour in Beijing, China, September 24, 2020. REUTERS/Thomas Peter/File Photo