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

A common response between two types of immune cells during a COVID-19 infection and after initial vaccinations can cause heart inflammation. Now scientists have identified the cause of the heart ...

Nearly five years after the Food and Drug Administration rushed its OK of the COVID-19 vaccine, more Americans are reporting that they suffered “major” side effects, drawing a new demand for an ...

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.

Social media claims linking Pfizer’s Covid-19 vaccine to hantavirus infection are misleading. A fact-check shows that the condition was only listed as a potential adverse event for monitoring and not ...

Serious side-effects from vaccines were rare, scientists found in studies funded by US taxpayer money ...

Certain individuals with cancer were significantly more likely to survive if they received a COVID-19 mRNA vaccine, researchers at the University of Texas MD Anderson Cancer Center reported. This ...

As of May 7, an outbreak of hantavirus on a Dutch-flagged cruise ship has killed three people. South Africa’s health ministry said on May 6 that the Andes strain of hantavirus was identified in two ...

Trump officials intend to link 25 child deaths to COVID-19 vaccines, according to reporting from The Washington Post. These findings will reportedly be discussed during the Sept. 18–19, 2025, meeting ...