The spread of a new coronavirus in mainland China and to more than two dozen countries and regions beyond is alarming health experts.
THERE ARE AT LEAST 42.000 CONFIRMED CASES
The incubation period for the deadly coronavirus could be as long as 24 days, according to a study led by Chinese authorities.
The incubation period is the time it takes between being exposed to a virus and symptoms appearing. Previously, medical experts said that coronavirus, also known as corona, had an incubation period of between two and 14 days.
There are now over 42,000 confirmed cases in China as well as 319 cases in 24 other countries, including one death, according to WHO and Chinese health officials.