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Coronavirus infection may be spread by people without symptoms, mounting evidence suggests
h/t Instapundit
[Philadelphia Inquirer] - Testing of throat swabs from two people with no symptoms of coronavirus illness revealed that they were nonetheless infected with the virus, according to a report from Germany published Tuesday in the New England Journal of Medicine.

The finding, though previously suspected, would make the job of containing the virus significantly more difficult.
It's called asymptomatic carrier - https://en.wikipedia.org/wiki/Asymptomatic_carrier
Posted by: g(r)omgoru 2020-02-19
http://www.rantburg.com/poparticle.php?ID=563909