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Baruch Samuel Blumberg, M.D., Ph.D, led the team of American scientists who discovered the hepatitis B virus in 1965, then developed the first screening test and the first vaccine to protect against infection. In 1976, he was awarded the Nobel Prize in Physiology or Medicine for the discovery while working at Fox Chase Cancer Center in Philadelphia. (Emilie G.C. Thompson, 1/15)

On Jan. 6, the Food and Drug Administration released updated guidance for clinical decision support (CDS) tools, relaxing key medical device requirements. With this change, many generative artificial intelligence tools that provide diagnostic suggestions or perform supportive tasks like medical history-taking — tools that probably would have required FDA sign-off under the prior policy — could reach clinics without FDA vetting. (Katherine E. Goodman and Daniel Morgan, 1/15)

According to a recent analysis by Nature, FDA approvals appear to be plateauing. The agency’s Center for Drug Evaluation and Research approved 46 new therapeutic agents in 2025, in line with its five-year average. (Ross Marchand, 1/14)

Health Secretary Robert F. Kennedy Jr. wants to flood the vaccine injury compensation program to hurt vaccine access in the U.S. (Ezekiel J. Emanuel and Paul Friedrichs, 1/15)

The American Academy of Pediatrics, with succinct accuracy, criticized the new recommendations as “dangerous and unnecessary.” (Christopher Sanford and Paul Pottinger, 1/14)