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Original title: Forge: The absence of percentage asymptomatic contamination, hard to judge the epidemic situation coronavirus masks for sale

medical face mask n95,Walk 26, the US infectious disease expert Fauci told CNN that the epidemic is usually not yet known when the end because of absence of percentage of patients with asymptomatic an infection, so I can not computing model, Fauci also suggested to recognize asymptomatic disease and seclusion mainly because quickly as possible simply because quickly as feasible. coronavirus masks.

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