Infections with Naegleria fowleri, the so-called brain-eating amoeba, are extremely rare, but also extremely deadly.
Ongoing civil conflict and the resulting displacement of local people is creating an ideal environment for the devastating disease.
While conspiracy theorists blame the spread of the disease on the migrants themselves, research indicates that severe overcrowding in U.S. detention facilities and shelters on the Mexican side of the border are causing outbreaks.
A woman tends to her daughter, age six, who is about to receive a measles vaccine shot at a health clinic on May 15th, 2019, in Kiev, Ukraine.
Research has found that migrants and refugees don't spread diseases to host populations, though migrants themselves are often at higher risk of illness because of poor living conditions.
What can we learn from a failed attempt to eradicate "the Great Pox" in the U.S.?
A new outbreak of the deadly virus has killed dozens in one of the world's poorest countries.
The littlest things can exact big prices.
A new study suggests "treatment as prevention" is a viable way to fight the virus at the population level.
The Ebola epidemic will likely lead to outbreaks of other diseases, but countries could prevent that with vaccination campaigns.
Malaria research needs a steady supply of mosquitoes, and breeding them involves extreme self-sacrifice.