Harvard Medical School

Oncology & Cancer

Strep molecule illuminates cancer immune therapies

Researchers at Harvard Medical School have discovered that a molecule made by Streptococcus pyogenes—the bacterium that causes strep throat and other infections—could help explain several long-standing medical mysteries, ...

Medical economics

Q&A: A fourth of US health visits now delivered by non-physicians

The proportion of health care visits delivered by nurse practitioners and physician assistants in the US is increasing rapidly and now accounts for a quarter of all health care visits, according to a study published Sept. ...

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