Scientists are trying to figure out how often people without symptoms can transmit the novel coronavirus. If it happens a lot, that could complicate the response to the outbreak.
Transportation in and out of the city of 11 million is being shut down as cases of the coronavirus are being reported throughout China and abroad. Wuhan is believed to be the contagion's epicenter.
In more than 30 states, it is illegal for someone with HIV to have sex without first disclosing their status. Some are now trying to change that, arguing that those laws endanger public health.
A new report from DigDeep and the U.S. Water Alliance found race is the strongest predictor of water and sanitation access. This has implications for public health.
Given the scope and the mysterious nature of vaping-related illness, the Centers for Disease Control and Prevention set up a specialized command center to coordinate its response.
Congress has told the Centers for Disease Control and Prevention not to "advocate or promote gun control." That directive complicates the public health agency's efforts to prevent suicide.
The current outbreak in the Democratic Republic of Congo has killed more than 1,650 people, according to the World Health Organization. About 12 new cases are reported daily.
Electric scooters provide users with a fun, quick and affordable mode of transportation. But medical experts are observing a growing public health concern, and officials are slow to provide solutions.
There are outbreaks in rich countries and poor countries, from the United States to Madagascar. And the World Health Organization says vaccine hesitancy is a top 10 threat to global health.