![Effectiveness of Face Mask or Respirator Use in Indoor Public Settings for Prevention of SARS-CoV-2 Infection — California, February–December 2021 | MMWR Effectiveness of Face Mask or Respirator Use in Indoor Public Settings for Prevention of SARS-CoV-2 Infection — California, February–December 2021 | MMWR](https://www.cdc.gov/mmwr/volumes/71/wr/social-media/mm7106e1_MaskingEffectiveness_IMAGE_04Feb22_1200x675_1.jpg?_=64903)
Effectiveness of Face Mask or Respirator Use in Indoor Public Settings for Prevention of SARS-CoV-2 Infection — California, February–December 2021 | MMWR
HCA Healthcare on X: "Why is our HCA Healthcare family wearing masks both inside and outside of our hospitals? Bottom line…we're saving lives. Wearing a face mask not only helps prevent the
![Harris County Public Health #GetVaxxed on X: "It's strongly advised that individuals wear a mask while out in public. This added layer of protection will assist in #stoppingthespread of #COVID19. The graphic👇displays Harris County Public Health #GetVaxxed on X: "It's strongly advised that individuals wear a mask while out in public. This added layer of protection will assist in #stoppingthespread of #COVID19. The graphic👇displays](https://pbs.twimg.com/media/EWTZlACXgAA63uF.jpg)
Harris County Public Health #GetVaxxed on X: "It's strongly advised that individuals wear a mask while out in public. This added layer of protection will assist in #stoppingthespread of #COVID19. The graphic👇displays
![Public Health - Seattle & King County on X: "With the Omicron variant circulating, we need to double down on mask wearing. The Number 1 benefit of masks is the added layer Public Health - Seattle & King County on X: "With the Omicron variant circulating, we need to double down on mask wearing. The Number 1 benefit of masks is the added layer](https://pbs.twimg.com/media/FG2Z3UjUUAA8cJO.jpg:large)