Aisu shows off an Ebola text message he recently received.
There are three vaccines in development in Uganda that could be used to prevent the spread of Ebola. But that's not the only way the African nation is leading the fight against such a deadly disease.
A health worker fumigates a residential area to prevent the spread of dengue fever in Chandigarh, India, September 20, 2015.
In India, a country of 1.25 billion people, the government is struggling to get a handle on what’s known as “vector-borne diseases,” but there are signs of hope.
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This is particularly exciting for customers who want to skip Jakarta's infamous gridlock and luxuriate in the comfort of their own homes.
Zika fumigation in Singapore
Mosquito population densities in the tiny island nation of Singapore are a fraction of those in neighboring countries. That's no accident.
Salvaging Haiti's cacao crop after Hurricane Matthew
Hurricane Matthew devastated cacao trees at the heart of Haiti's burgeoning cocoa export business.
Workers in biohazard suits stand at the entry of a sealed-off poultry farm in Trumling, southern Germany, on Sep. 8, 2007. The H5N1 bird flu virus had been found in several ducks at a nearby poultry farm.
Over the next five years, the CDC is investing more than $2 billion to prepare itself, developing countries and state and local health departments to be able to respond to health emergencies.
The work at the Centers for Disease Control and Prevention (CDC) headquarters in Atlanta is increasingly international in scope.
As the World Health Organization's role in combating infectious diseases has diminished, the CDC has been filling the void.
Three-month-old Jesus, photographed on Oct. 5 in Guarenas, Venezuela, was born with microcephaly
These three graphics offer a glimpse at why researchers are so confounded by Zika’s uneven impact across the Americas.
Ertha Papillon
She's sheltering hundreds of neighbors in her house, running a school and orphanage, and trying to get clean water to those in need.
Port Salut
What it means to be lucky in the aftermath of a brutal storm.