The concern is not the virus itself but the cluster of brain-damaged babies born to pregnant women who'd been infected with the mosquito-borne disease.
For the first time since the most recent Ebola outbreak began, Liberia, Guinea and Sierra Leone have each reported zero cases of Ebola for 42 days in a row. But the risk of small flare-ups remains.
What will be the big stories of 2016? Four experts offer their best guesses. They worry about Zika virus and malaria. But not all their predictions are downers.
After two years and over 2,500 deaths, the country's epidemic has officially ended, the World Health Organization says. Health groups will be watching to ensure the virus doesn't re-emerge.
Even the combined deaths from HIV/AIDS and malaria isn't quite as devastating. The culprits are the usual suspects, like cars and industry, but also cookstoves and ... manure?
Additional confirmed cases of the Middle East respiratory syndrome, or MERS, have led to more than 200 school closures and a minor public panic in South Korea.
The World Health Organization isn't ready for the next pandemic or international health crisis, so the agency's leader is calling for major reforms. But will the changes be enough?
The World Health Organization failed to respond quickly and effectively to the outbreak in West Africa. Now the agency is proposing a new structure. But change could prove difficult.
Angry mobs that targeted health workers. A single funeral that infected 365 people. No isolation wards in Liberia. These are some of the striking points in WHO's new analysis.
Nevada public health officials say they're ramping up preparations for Ebola after a patient in Dallas, Texas was diagnosed with the disease this week....
