F.D.A. Stays Neutral on the Need for a Moderna Booster

The advisory committee is also likely to consider whether Moderna’s protection against severe disease and hospitalization may eventually weaken. Booster proponents argue that Moderna’s potency is declining much like Pfizer’s, which is based on the same technology, only more slowly because its initial dosage is significantly stronger than Pfizer’s and the interval between the first…

Aspirin Use to Prevent 1st Heart Attack or Stroke Should Be Curtailed, U.S. Panel Says

The task force includes 16 experts in disease prevention and evidence-based medicine who periodically evaluate screening tests and preventive treatments. Members are appointed by the director of the federal Agency for Healthcare Research and Quality, but the group is independent and its recommendations often help shape U.S. medical practice. The guidelines, which are not yet…