They still tell people to wear cloth masks but now says its okay for non-essential worthless members of the public to wear masks that actually work:
Updates as of September 23, 2021
Added considerations for use of NIOSH-approved respirators because the availability of NIOSH-approved N95 respirators has increased significantly over the last several months
Source: Types of Masks and Respirators | CDC
They also now suggest wearing masks meeting ASTM F3502 standard. Face plant.
They now suggest wearing “respirator” masks (N95, KN95, FFP2, etc), but note that 60% of KN95 masks sold in the U.S. do not meat NIOSH requirements.
They also acknowledge that “certain types of facial hair” (e.g. beards) harm the effectiveness of masks.
Remember that this mostly agrees with pre-pandemic research which found cloth masks useless, surgical masks somewhat effective, and N95-type masks mostly effective. In April 2020, the CDC told us to wear bandanas and cloth facial masks made of pillow cases and t-shirts.
It’s taken them one and a half years to recognize their masks advice has been largely bull shit since April of 2020. Idiots.
Here is a chart illustrating the effectiveness in controlling Covid-19. The gray line is the daily number of new cases in Victoria, Australia, which has had among the strictest restrictions in the world, enforce by the police, on horseback, in helicopters, with police dogs, and the Australian military. As you can clearly see, the mask mandate crushed the curve – if you turn the chart upside down, apparently.