A small but significant percentage of Americans take medications that can hamper their immune system and its response to COVID-19 vaccines, researchers say. Their analysis of data from more than 3 million adults under 65 with private insurance found that nearly 3% take immunosuppressive drugs. Those include chemotherapy medications and steroids such as prednisone. Two-thirds…  read on >  read on >

Fully vaccinated people will likely need a COVID-19 booster shot within about a year, the nation’s top infectious diseases expert and Pfizer’s CEO said Wednesday. “We know that the vaccine durability of the efficacy lasts at least six months, and likely considerably more, but I think we will almost certainly require a booster sometime within…  read on >  read on >

In a finding that offers the first evidence that the human papillomavirus (HPV) vaccine is indeed protecting women from cervical cancer, new research shows cases in the United States have slowly but steadily declined over the last decade and a half. However, other HPV-related cancers like anal, rectal and oral tumors continue to increase, suggesting…  read on >  read on >

The fully vaccinated will soon be welcome to visit countries in the European Union, officials there announced Wednesday. The new measures for tourists and other travelers could take effect as early as next week, The New York Times reported. Visitors will be allowed into the bloc’s 27 member states if they’ve been fully immunized with…  read on >  read on >

The actual number of U.S. children hospitalized due to COVID-19 may be lower than current figures suggest, a new study indicates. That’s because counts of hospitalized children who test positive for COVID-19 may include those who were admitted for other reasons and have no COVID symptoms, Stanford University School of Medicine researchers explained. Throughout the…  read on >  read on >