Le vaccin chinois Sinovac contre le coronavirus sars cov2 uniquement efficace à 50%, bien moins que ce qui avait été annoncé

Researchers: China's Sinovac Coronavirus Shot Less Effective than Claimed

Full data shows China's Sinovac vaccine candidate, "CoronaVac," to be 50.38 percent effective against the Chinese coronavirus in late-stage trials, Brazilian state researchers revealed Tuesday ...

https://www.breitbart.com/health/2021/01/12/researchers-chinas-sinovac-coronavirus-shot-20-less-effective-first-claimed/