Last spring, when the nation’s Covid-19 cases were soaring and tests were in short supply, some scientists wondered whether a new approach to disease...
Under fire for approving a questionable drug for all Alzheimer’s patients, the Food and Drug Administration on Thursday greatly narrowed its previous recommendation and...
Such doctors face “a dilemma,” Dr. Karlawish said, “a moment when there’s no decision that resolves all the uncertainties and settles the ethical concerns.”“It...
Others, including some who have been highly critical of the C.D.C.’s past school guidance, praised the new guidelines.“For the first time, I really think...
Penn developed a physical therapy program, which varies according to the severity of each patient’s symptoms. “For some patients who were really seriously affected...
Pfizer and BioNTech announced on Thursday that they were developing a version of the coronavirus vaccine that targets Delta, a highly contagious variant that...
But the recent intelligence challenges have required a different range of scientific expertise, including some areas that agencies have invested fewer resources in over...
Public health officials say the prospect of overlooked virus deaths tied to the nation’s prisons, jails and immigration detention centers carries particular risks. It...
Vaccination coverage remains highly uneven, however, both in the United States and globally, and public health experts say Delta poses a serious threat to...