In an Arizona hospital study, 10 percent of pneumonia patients tested for Valley fever were infected, and a quarter were never tested.

Horses can be vaccinated against eastern equine encephalitis. People cannot, and roughly a third of human cases turn out to be fatal.

Disabled workers say Medicaid income limits force them to turn down raises because no commercial plan replaces the home care Medicaid covers.

Researchers found blood metabolite changes associated with air pollution exposure years before lung cancer diagnosis among 1,357 study participants.

A JAMA Psychiatry review says untreated depression in pregnancy carries real risks, and SSRIs show little evidence of serious harm.

New York enacted stricter cooling tower certification rules after a Legionnaires' outbreak that killed seven people on the Upper East Side.

Google says its new Pixel Watch insulin resistance feature does not measure glucose and is not a diabetes prescreener. Here is what it does.

CDC issued a health advisory warning that B-cell-depleting drugs increase the risk of severe brain infections from mosquito- and tick-borne viruses.

Engineered bacterial vesicles boosted CAR-T cells against solid tumors in mice, even killing cancer cells that lacked the target antigen.

Eight patients grew a soil bacterium on their skin. Four remembered an injury. The other four all kept numerous houseplants indoors.