New vaccines are often evaluated in trials in which some participants receive a placebo. But not all studies can be designed ...

A half-decade since the pandemic, countless individuals and families have been left wondering: what is the long-term safety ...

In recent interviews, Health and Human Services Secretary Robert F. Kennedy Jr. has minimized the risk COVID-19 poses to kids ...

Placebo testing has been part of the process since the 1940s. It’s unclear what additional measures would achieve — but it may slow development.

The most commonly reported adverse events with the AZD1222 COVID-19 vaccine are headache and fatigue, a large-scale active ...

The head of the Food and Drug Administration said the agency will soon unveil a new framework detailing what companies must ...

The World Health Organization (WHO) Technical Advisory Group on COVID-19 vaccine composition, after meeting earlier this ...

There are also now multiple years of data from people in the community who received updated COVID-19 vaccines, showing that they do protect against hospitalization. And vaccine safety monitoring ...

Fewer than half of Americans trust the government to respond to disease outbreaks , act independently, or ensure the safety ...

Adalja, MD A combination messenger RNA vaccine against COVID-19 and seasonal influenza stacked ... mRNA-1083 had an acceptable tolerability and safety profile, although adverse reactions were ...