Pfizer's Covid-19 vaccine is considered by healthcare authorities to be safe and effective, with data gathered from billions ...

Under normal circumstances, the study of health problems after COVID vaccinations posted online on Feb. 25 might not have ...

Five years ago, on March 11, the World Health Organization declared COVID-19 a global pandemic. The vaccines “underwent the most intensive safety analysis in U.S. history." ...

COVID-19 vaccination in early pregnancy (≤20 weeks of gestation) is not associated with increased prevalence of major ...

The next-generation cost needs to be added to the long-term effects on vaccinees. Yet, Dr. Hatfill writes, the American College of Obstetrics and Gynecology (ACOG) has continued to promote the mass ...

Some side effects from the COVID vaccine, like menstrual cycle changes and cardiac issues like myocarditis, have been reported in a small proportion of the population receiving shots. But it is ...

“The effectiveness of the COVID vaccines can vary depending on which variants are targeted in the vaccine, which variants are circulating, and host factors,” said Shirin A. Mazumder, MD, and ...

One avenue for new vaccine development is mucosal vaccines. In theory, dosing the vaccine directly into the respiratory tract ...

Now the nation’s top health official, Kennedy is reevaluating the US Health and Human Services’s contract with Moderna, which ...

A German court found Wednesday that American pharmaceutical giant Pfizer and German firm BioNTech violated a patent to make ...

Pfizer's Covid-19 vaccine is considered by healthcare authorities to be safe and effective, with data gathered from billions of shots delivered around the world. In February 2025, social media ...