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

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

A new combination vaccine could simplify protection against two major respiratory illnesses for older adults, according to a ...

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 ...

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 ...

Kennedy and FDA Commissioner Marty Makary’s approach to assessing vaccines could put Covid boosters out of reach.

Outbreaks of COVID-19 ... previous strains—has raised concerns across the world, highlighting the urgent need for an effective, safe, and multivalent vaccine. LC16m8 is an attenuated vaccinia ...

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 ...