Resources with keywords: transmission
This document provides updated guidance on mask use in health care and community settings, and during home care for COVID-19 cases. It is intended for policy makers, public health and infection prevention and control professionals, health care managers and health workers.
Data were added from studies published since the last update that further demonstrate that mask wearing reduces new infections. Data were added that demonstrate the importance of mask fit to improve performance and reduce community exposure to SARS-CoV-2. A section was added on the health effects of mask wearing
It is possible for people to be infected through contact with contaminated surfaces or objects (fomites), but the risk is generally considered to be low.
This science brief has been updated to reflect current knowledge about SARS-CoV-2 transmission and reformatted to be more concise.
Feder KA, Pearlowitz M, Goode A, et al.
Gain an understanding of how to reduce the risk of COVID-19 transmission in indoor environments using affordable control strategies.
Gold JA, Gettings JR, Kimball A, et al.
Groves LM, Usagawa L, Elm J, et al.
Twenty-one COVID-19 cases were linked to an index case in a fitness instructor, who, along with a patient who was also an instructor, taught classes <1 day, 1 to <2 days, and ≥2 days before symptom onset; aggregate attack rates were 95%, 13%, and 0%, respectively.
