Medicine

Experts explain why getting vaccinated is important every year—and especially during a pandemic

Advisory groups around the world have released guidance to prioritize healthcare workers and those in front-line jobs

The test was halted when a participant suffered spinal cord damage, and U.S. scientists launched an investigation

U.K. trials of the Oxford and AstraZeneca vaccine have resumed after a brief pause, yet key details of the events have not been released

Scientists urge caution in the global vaccine race as AstraZeneca reports an “adverse event” in a person who received the University of Oxford vaccine

After neutralizing SARS-CoV-2 in cell culture, scientists at the University of Costa Rica are proceeding with human testing

The Trump administration’s Operation Warp Speed program is backing six efforts with the ambitious goal of delivering an effective vaccine by January

Medical ethicist Ezekiel Emanuel discusses a framework for equitably allocating COVID-19 vaccines based on preventing premature deaths and mitigating long-term economic impacts

Vaccines and drugs drove a century of progress, but today’s contagions thrive on inequality

Despite calls for more rigorous clinical trials, the Food and Drug Administration has granted an emergency authorization for the therapy

Late-stage clinical trials of the first two coronavirus vaccine candidates in the U.S. plan to recruit 60,000 Americans

Originally published in February 1955