Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects, and the benefits of vaccination.

A Stanford-led study probes why a very small number of people develop heart inflammation shortly after mRNA COVID-19 ...

PHILADELPHIA (WPVI) -- New guidance from the CDC open COVID-19 booster shots to more groups and health experts hope people will take advantage. All three types of vaccines are now eligible for booster ...

It can be hard to sort through the conflicting and evolving information about vaccines. Here’s the latest guidance on Covid boosters, flu shots, childhood immunizations and more. By Maggie Astor Dani ...

A presentation by scientists on a work group for the Centers for Disease Control and Prevention’s vaccine advisory panel highlighted various alleged “safety uncertainties” of the mRNA COVID-19 ...

A preliminary study found that people receiving immunotherapy for lung cancer or melanoma lived longer if they had received one of the mRNA vaccines ...

Two large studies have put a spotlight on potential health risks of the COVID vaccine — but some experts urge caution when interpreting the findings. Recent research has linked the vaccine to a higher ...

Stanford Medicine investigators have unearthed the biological process by which mRNA-based vaccines for COVID-19 can cause heart damage in some young men and adolescents—and they've shown a possible ...

New FDA approval language for COVID-19 vaccines is sowing confusion about which conditions put people at greater risk for severe disease and who can avoid the inconvenience and cost of off-label ...

Despite shifting federal guidance, health insurance companies have vowed to cover the COVID-19, flu and other recommended vaccines, a trade group said. America's Health Insurance Plans said its ...