Chinese officials have announced they are suspending transportation out of the city of Wuhan to stem the coronavirus outbreak that has sickened at least 500 people, including 17 deaths, in China.
It's the most dramatic change in the wake of the newly discovered virus, which has so far infected some 500 individuals and killed 17. Will it help stem the outbreak?
The World Health Organization will convene a meeting on Wednesday to determine if the newly discovered virus presents a "public health emergency of international concern."
At first, tests were positive for porcine epidemic diarrhea virus. Then something strange happened. The pigs stopped testing positive for that virus — but kept getting sick.