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12 h, jan 8, 2020 y - CDC Recommends Masks (only to Medical Workers In contact with Wuhan travelers showing symptoms, or those patients)

Description:

https://emergency.cdc.gov/han/han00424.asp

Added to timeline:

Nathan Rich: COVID-19 in the USA

28 Apr 2022

20

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23866

Date:

12 h, jan 8, 2020 y

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~ 5 years and 9 months ago

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