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

Vaccines have traditionally worked by teaching the immune system to recognize a specific virus or bacterium—in effect, ...

The mRNA COVID-19 vaccine is not associated with autism or other neurodevelopmental problems in children whose mothers received the vaccine immediately before or during pregnancy, according to new ...

Moderna COVID-19 vaccines were associated with a threefold increased risk of chronic urticaria and nearly fourfold increased risk of other types of urticaria compared to expected rates.

Rare but dangerous blood clotting associated with that vaccine as well as AstraZeneca’s had a genetic cause, according to a new paper.

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 ...

Getting your Trinity Audio player ready... Anyone 6 months and older who wants a COVID-19 shot in Colorado can now get one, but the vaccine will only be free for those with the right insurance — at ...