Researchers with the Wuhan Centre for Disease Control and Prevention re-analyzed 640 throat swabs collected from patients in Wuhan with influenza-like-illness from October 6, 2019 to January 21, 2020 and found that nine of the 640 throat swabs were COVID-19 positive.
from Zee News :World https://ift.tt/2UXVshf
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from Zee News :World https://ift.tt/2UXVshf
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