Science News by Timothy Sumer - In a few cases, patients again tested positive for the virus after they were no longer ill. But little is known about the virus, and it’s possible that testing flaws may be to blame.
from NYT > Science https://ift.tt/2Tabcx2
via Timothy Sumer
from NYT > Science https://ift.tt/2Tabcx2
via Timothy Sumer
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