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

Coronavirus infections are climbing again, marking another summer wave as children go back to school. But this uptick arrives with an added layer of uncertainty because it’s unclear when and which ...

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

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

Pfizer also said it is working to improve its existing vaccine formulation, developed jointly with Germany's BioNTech, based on the vaccine's reaction to new COVID-19 variants that arise.

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.

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 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 ...