WASHINGTON — Federal regulators evaluated for the first time on Friday the safety and efficacy of a coronavirus vaccine for children 5 to 11, saying that the benefits of staving off Covid-19 with the Pfizer-BioNTech vaccine generally outweighed the risks of the most worrisome possible side effects in that age group. The analysis came on…
Scientists from the Centers for Disease Control and Prevention on Friday took aim at the question of whether the Delta variant of the coronavirus causes more severe disease, finding no significant differences in the course of hospitalized patients’ illnesses during the Delta wave compared to earlier in the pandemic. But larger and more detailed studies…
BETHESDA, Md. — Chinese firms are collecting genetic data from around the world, part of an effort by the Chinese government and companies to develop the world’s largest bio-database, American intelligence officials reported on Friday. The National Counterintelligence and Security Center said in a new paper that the United States needed to better secure critical…
Medical reversals about menopause hormones, knee surgery and vitamins over the years have left patients confused. But doctors say these pivots often are good medicine.
A new analysis underscores concerns about how federal aid was allocated to health care institutions under the Provider Relief Fund, a $175-billion program that has drawn sharp criticism for giving so much money to the wealthiest U.S. hospitals. The study, published Friday in JAMA Health Forum, shows that more money flowed to hospitals that were…
A growing crop of professionals are guiding people with attention deficit disorder toward healthier behaviors, and self-acceptance.
The 87-year-old conservationist, best known for her work with chimpanzees, has written a hopeful survival guide for Homo sapiens.
In a sweeping victory for the Biden administration, the Centers for Disease Control and Prevention on Thursday endorsed booster shots of the Moderna and the Johnson & Johnson Covid-19 vaccines for tens of millions of Americans. The decision follows an agency endorsement last month of booster shots of the Pfizer-BioNTech vaccine and opens the door…
The National Institutes of Health said on Wednesday that a nonprofit group under fire from some congressional Republicans for its research collaborations in China had failed to promptly report findings from studies on how well bat coronaviruses grow in mice. In a letter to Representative James Comer, Republican of Kentucky, the N.I.H. said that the…
Booster shots in adults who received the Pfizer-BioNTech vaccine were highly effective at preventing symptomatic Covid-19 breakthrough infections, Pfizer announced on Thursday. The company said that out of more than 5,000 Pfizer-BioNTech vaccine recipients enrolled in its study who received a booster shot, only five later developed symptomatic disease, compared with 109 people among a…