Protesters call for an end to COVID-19-based restrictions in Sacramento, California.Credit: Stanton Sharpe/SOPA Images/LightRocket/Getty
Several ongoing coronavirus-vaccine trials could announce game-changing results next month. But as anticipation grows, concerns are growing about whether the vaccines will clear safety trials, what they will achieve if they do and the risk that the approval process will be influenced by politics, or at least seem to be. Tiếp tục đọc “COVID-vaccine results are on the way — and scientists’ concerns are growing”