A common respiratory infection appears in brains with Alzheimer's disease, reopening the debate about the origin of the disease.

Tuberculosis (TB) is a major unrecognized cause of deadly sepsis among people with HIV in Africa, a sweeping new study reveals. Beginning treatment for TB immediately – even before sepsis patients are ...

More than half a dozen pediatricians in six states said they are spending more time talking to parents about standard ...

U.S. Health Secretary Robert F. Kennedy Jr.’s remaking of childhood vaccination policies is fueling resistance in labor and ...

A 58-year-old woman was admitted to the hospital 3 weeks after lumbar surgery because of diplopia and fever. Left leg pain and a rash had preceded the fever and diplopia. A diagnosis was made.