For years, U.S. vaccine experts have issued a universal recommendation for Covid vaccines. That could change soon.

Placebo testing has been part of the process since the 1940s. It’s unclear what additional measures would achieve — but it may slow development.

The original Covid vaccines, from Pfizer and Moderna ... more onerous to test by bringing up these sort of false safety ...

The plans amount to an extraordinary flex of Robert F. Kennedy Jr.’s power as health secretary to make decisions ordinarily ...

Virginia localities are preparing to move into phase 1C as more vaccines become available to more of the population. One of ...

A landmark study by scientists at the University of Oxford, has unveiled crucial insights into the way that COVID-19 vaccines mitigate severe illness in those who have been vaccinated.

An FDA committee will soon make recommendations about this fall’s Covid-19 vaccines while Novavax still awaits full FDA ...

The recent global monkeypox (mpox) outbreak, with a new and aggressive variant, has underscored the dire need for safe, broadly effective, and accessible vaccines. The LC16m8 vaccine, an attenuated ...

The mRNA Covid vaccines were designed so that this ... more onerous to test by bringing up these sort of false safety concerns or false efficacy concerns,” Offit said. Dr. Sean O’Leary ...