The World Health Organization released new recommendations on antibiotic use in food-producing animals.
Madagascar typically sees a few hundred cases a year, but officials are mostly reporting cases of a deadlier plague this season.
Particle air pollution causes northern Chinese people to die about three years before those in the southern region.
A group of medical professionals claims taking the full course of antibiotics can raise the risk of antibiotic resistance, but other experts disagree.
UNICEF and the World Health Organization say Yemen is currently facing the world's worst cholera outbreak, with over 200,000 suspected cases.
A joint statement from the World Health Organization and UNICEF says the children died of "severe sepsis/toxicity" after getting the vaccine.
In its annual World Health Statistics report, the WHO found that there's still large gaps in recording how people died.
According to the World Health Organization, 1 in 4 deaths among children under age 5 can be linked to environmental hazards.
But the World Health Organization says this announcement doesn't mean the virus isn't still a threat.
The World Health Organization estimates 12.6 million deaths every year are linked to "unhealthy environments" and says countries aren't doing enough.
Possible Zika vaccines are at least 18 months away from large-scale trials.
The world's most talked about illness, Zika virus, is now a public health emergency.