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The manager of the Centers for Disease Control and Prevention (CDC) connected Feb. 8 defended her agency’s promotion of masking aft a caller survey recovered masking had small effect connected the dispersed of respiratory viruses similar COVID-19.
The Cochrane review analyzed randomized controlled studies, considered the golden modular by U.S. officials and others, but limitations undermined the conclusions, Dr. Rochelle Walensky claimed.
“One of the limitations of tha...