美國倉庫的近1百50萬隻 N95 口罩過期還是安全可用的:CDC guidelines issued for their safe use during the coronavirus outbreak.
Nearly 1.5 million N95 masks are sitting in a U.S. government warehouse in Indiana. Authorities have not shipped them because they're past their expiration date, despite CDC guidelines issued for their safe use during the coronavirus outbreak.
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