Effectiveness of Face Mask or Respirator Use in Indoor Public Settings for Prevention of SARS-CoV-2 Infection — California, February–December 2021

This report describes face mask or respirator effectiveness in helping protect against COVID-19 infection.

Scientific evidence shows that mask-wearing is effective at

Resources County of Glenn

Community exposures among Colorado adults who tested positive for

Waning of two-dose BNT162b2 and mRNA-1273 vaccine effectiveness

PDF) High rates of observed face mask use at Colorado universities

PDF) Association between Face mask use and Risk of SARS-CoV-2

PDF) Memories of COVID-19: The Types of Fitted Face Masks Between

Mask Adherence and the Relationship Between Masking and Weather

The effect of activity and face masks on exhaled particles in

PDF) Association between Face mask use and Risk of SARS-CoV-2

Effectiveness of Granular Lockdown as an Epidemic Control Strategy

Association between face mask use and risk of SARS-CoV-2 infection