An analysis by mask use showed ILI (RR=6.64, 95% CI 1.45 to
Posted on: October 13, 2021 at 23:48:57 CT
MizzouTigerz
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28.65) and laboratory-confirmed virus (RR=1.72, 95% CI 1.01 to 2.94) were significantly higher in the cloth masks group compared with the medical masks group.