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Non, the CDC already had a policy of advising against masks before this pandemic. https://www.cdc.gov/h1n1flu/masks.htm https://www.cdc.gov/h1n1flu/masks.htm
by the8472 7y ago
Non, the CDC already had a policy of advising against masks before this pandemic. https://www.cdc.gov/h1n1flu/masks.htm https://www.cdc.gov/h1n1flu/masks.htm