A new @CDCMMWR shows prevention strategies used by Los Angeles County public schools helped keep #COVID19 cases lower among students and staff compare…


A new @CDCMMWR shows prevention strategies used by Los Angeles County public schools helped keep #COVID19 cases lower among students and staff compared with the surrounding community during September 2020─March 2021, before the Delta variant’s rise. http://bit.ly/MMWR82721c

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