The United States sent the USNS Comfort, a Navy hospital ship, to Central and South America to help with the refugee crisis coming out of Venezuela.
The U.S. global AIDS relief initiative has helped millions of people since it was created 15 years ago. Meet one of them.
December 1 is World AIDS Day. See the latest figures showing the millions of lives saved through the U.S. global AIDS relief initiative called PEPFAR.
A new exhibition, "Outbreak: Epidemics in a Connected World," shows the connection between human, animal and environmental health.
Melania Trump's Africa trip took the first lady from a hospital to schoolrooms and ancient landmarks as she drew attention to the needs of children.
During her visit to Kenya, first lady Melania Trump visited a home for children separated from their mothers and fed a baby elephant at a rescue facility.
Melania Trump, in Africa, saw up close the needs of Malawi's children at a school with 110 pupils per teacher. The U.S. donates millions of books to Malawi.
On her first major, solo international trip, first lady Melania Trump took her "Be Best" campaign for children's health to Africa, stopping first in Ghana.
Find out how U.S. and Sri Lankan military and other officials teamed up in August on a humanitarian and disaster readiness operation.