Extensive research reveals the CDC's weekly publication drew unsupported conclusions about mask effectiveness based on low-quality observational studies.
https://www.foxnews.com/outkick-analysis/heres-cdc-tried-use-bad-science-convince-people-wear-masks-covid
https://www.foxnews.com/outkick-analysis/heres-cdc-tried-use-bad-science-convince-people-wear-masks-covid