Dr. Marty Makary, chief of the FDA, has expressed doubts about the agency approving the COVID-19 vaccine for winter, stating ...

The original Covid vaccines, from Pfizer and Moderna ... more onerous to test by bringing up these sort of false safety concerns or false efficacy concerns,” Offit said. Dr. Sean O’Leary, chair of the ...

With a demand that vaccine boosters be tested against placebos, RFK Jr. puts an old antivaccine claim at the forefront 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.

When the Department of Health and Human Services (HHS) announced a new requirement for placebo testing on all new vaccines ...

Kennedy is a longtime vaccine skeptic and conspiracy theorist, and his appointment to the country’s top health care policy ...

Editor’s note: The Covid-19 Vaccine Frequently Asked Questions page has been retired. Updated information regarding Covid-19 vaccination may be found at the NEJM Covid-19 Vaccine Resource Center.

Here's everything medical experts want you to know about how vaccines work. Vaccines work by imitating an infection to teach ...

Brazilian health authorities Thursday launched a campaign explaining the proper use and handling of the Janssen COVID-19 vaccine and the number of booster doses recommended for this specific drug.

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 ...

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 ...