The first case of coronavirus being spread by a person with no symptoms has been found
Signs in the Munich airport now warn travelers about the new coronavirus. Data from doctors charting contacts between coworkers in Germany who became ill with the virus suggest some people may spread it before they develop symptoms.
Sven Hoppe/picture-alliance/dpa/AP Images
This article is only available to Science News subscribers.
Subscribers, enter your e-mail address to access our archives.
