Parents in the United States who want to vaccinate their young children against Covid-19 this fall may face a growing set of ...

“We’ve stepped back into the world that we lived in before the [CDC’s vaccine advisory committee] was created,” said Dr.

They’re turning their backs on a technology thought to have saved millions of lives—with the potential to save many more.

The completion of this study could positively impact Pfizer and BioNTech’s stock performance, as successful results may lead to new vaccine offerings, enhancing their market position. This development ...

COVID-19 activity is rising in much of the country. Data shows overall respiratory virus spread is very low in the U.S.

Pfizer’s clinical trials in children 5 to 11 did not measure the vaccine’s effectiveness against COVID-19. Effectiveness was “never the intended primary endpoint,” Anderson said.

Covid-19 levels are on the rise in the US, with transmission increasing in at least 45 states. Yet people who want to get vaccinated this fall may face a growing set of obstacles. Last week, the CDC ...

The top public health officials during Trump's first term praised mRNA vaccines. In the second term, officials seem to be retreating from them.