jul 17, 2020 - CDC publishes Great Clips masking study.
Description:
"A study of the case, where two masked, infected hairstylists saw 139 masked customers without any of them falling sick, was published in a high-profile report from the Centers for Disease Control and Prevention."https://www.news-leader.com/story/news/2020/07/17/covid-missouri-cdc-springfield-great-clips-study-shows-need-masks/5443006002/
https://www.cdc.gov/mmwr/volumes/69/wr/mm6928e2.htm?s_cid=mm6928e2_w
Photo by Nathan Papes-Springfield News-Leader
Added to timeline:
Date:
jul 17, 2020
Now
~ 4 years and 11 months ago