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 ...

Those eager to discredit Pfizer's mRNA vaccine, which is safe and effective, exploited the cruise ship outbreak.

In the early days of the covid-19 vaccine rollout there was a race to get jabs into people’s arms to slow the rapid spread of the virus. New technologies had allowed for a warp speed development of ...

Why do some people get side effects after COVID-19 vaccines? Temporary side effects including headache, fatigue and fever are signs the immune system is revving up -- a normal response to vaccines.

Getting a COVID-19 vaccine or booster is similar to getting other vaccines and does not require any specific preparation. However, you can take some steps to reduce side effects and improve ...

The seasonal flu shot is a yearly vaccine administered to protect against the flu, or influenza. Here are the facts and side ...

FluMist (influenza vaccine live, intranasal) is a brand-name vaccine used to help prevent influenza (flu) in certain adults and children. As with other drugs, FluMist can cause side effects, such as ...

FluMist (influenza vaccine live, intranasal) is a vaccine used to help prevent flu. FluMist can cause side effects that range from mild to serious. Examples include runny nose, congestion, and fever.