An early Moderna COVID‑19 trial has resurfaced six years on, amid ongoing debate over vaccine risks, guidance and public trust.

FDA launches new AI-powered system to track drug and vaccine side effects in real time, replacing outdated databases and saving $120 million annually.

A federal work group says Covid vaccine injuries deserve urgent attention, even as Health Secretary Robert F. Kennedy Jr.

Vaccine side effects like soreness, fever, and fatigue scare some people out of getting their shots. Ask a doctor, though, and they’ll tell you these unpleasant symptoms have a silver lining: they’re ...

Many continue to worry about experiencing side effects from vaccines -- especially the COVID-19 vaccines -- but new data from a comprehensive meta-analysis suggests there is little to fear. The study ...

A groundbreaking study explains why certain COVID-19 vaccines caused dangerous blood clots, hemorrhages and VITT syndrome, resulting in the deaths of around 200 people in Europe.

The most common side effects of mRNA vaccines like the COVID-19 shot are well known: soreness, mild fever, and general ...

Novavax (NVX-CoV2373) is a vaccine used to reduce the risk of serious infection from the virus that causes COVID-19. Novavax can cause side effects that range from mild to serious. Examples include ...

As a co-leader of the team at the National Institutes of Health that developed technologies powering a number of Covid-19 vaccines, I often speak publicly about vaccine science, even though I no ...

Pet parents are questioning whether they should vaccinate their animals ...

A clear overview of why people delay or refuse vaccines, common concerns, safety checks, and practical tips for discussing vaccination with trusted health professionals.