Better news, no they aren't ...

Posted on: November 11, 2020 at 17:45:11 CT

... The CDC, prior to changing its position on universal mask-wearing, had previously cited 10 randomized controlled trials that showed "no significant reduction in influenza transmission with the use of face masks." Now, the CDC and other elite institutions would have us believe that coronavirus is somehow different. The Danes were the first to actually study the effect of large-scale universal mask-wearing specifically against the spread of COVID-19.

https://www.theblaze.com/op-ed/horowitz-danish-newspaper-reveals-largest-study-masks-rejected