WHO experts are seeing the same chikungunya warning signs that occurred two decades ago, when the virus swept across Indian ...

The study of more than 22.4 million US urgent care visits found inappropriate prescriptions for antibiotics, glucocorticoids, ...

PEPFAR, the campaign to end H.I.V. globally, would morph into an effort to detect disease outbreaks and sell American products, according to documents obtained by The Times.