Coronavirus

The scientific community might need to rethink standard peer-review procedures, writes a professor

Scientists are testing dozens of compounds that might inhibit infection by blocking a human protein

Suspension of vaccinations expected to lead to fresh outbreaks in polio-free countries

Conflicting messages, lack of coordination hamper efforts to curb infections

Johnson & Johnson’s chief scientist describes nonprofit partnership to accelerate its candidate

Human challenge studies can accelerate vaccine development, but raise dicey ethical issues

Two candidate vaccines start trials while dozens more are rushed into development

Huge nation confronts huge economic and social risks (edited)

The testing kits are ready, but there are roadblocks to using them

Preliminary results favor strict control measures

Incoming travelers and remaining pockets of local infection pose threats as restrictions are relaxed

Sanctions, distrust, and misinformation hamper pandemic response

Some argue that masking everyone would slow the spread of COVID-19—but the evidence is spotty

George Gao, head of the Chinese Center for Disease Control and Prevention, offers insights from the front

Parents and doctors must decide whether the benefits of breastfeeding outweigh the risks of possible infection

Projects drawing on large biobanks and COVID-19 patients aim to find genetic differences that predict who will get seriously ill after an infection