The U.S. has been slow to roll out testing, leaving communities in the dark about the spread of the virus. It was a lost opportunity to stop the virus in its tracks.
China's experience shows how the virus can be stopped. But the World Health Organization's Dr. Bruce Aylward says other countries may be drawing the wrong lessons about how China achieved it.
Carl Goldman tested positive for the new coronavirus after leaving the ship and arriving in the U.S. He is recovering in an isolation unit of the University of Nebraska Medical Center.
Dr. Ananda Prasad first turned up zinc's benefits to human growth back in the 1960s. Years later, his study and others found that the right dose of zinc can cut a cold's duration by days.
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.
Globally, health officials are on high alert, implementing airport screenings, evacuations, border controls and other measures to contain the spread of the coronavirus outbreak.
In Washington, the local health care system is on high alert after the first case of Wuhan coronavirus was confirmed there last week. But it knows how to respond, thanks to recent measles outbreaks.
A new illness is spreading throughout China and other parts of the world, including one confirmed case in the U.S. As airports ramp up screening efforts, public health experts question if they help.