WHO supports countries in their decisions around masks, official says

Face Mask Debates: Here's What We Know About The Science : Shots - Health News : NPR

As U.S. COVID cases rise, will mask mandates return? : NPR

Covid-19 Face Mask Mandates End in Some States, Fueling Tensions - WSJ

Can 'Strategic Masking' Protect Against COVID-19, Flu, and RSV? > News > Yale Medicine

Face mask is an efficient tool to fight the Covid-19 pandemic and some factors increase the probability of its adoption

WHO downgrades COVID-19 pandemic, says it's no longer global emergency

Conspiracy theorist spreads false information about the return of COVID-19 mandates

WHO says no need—yet—to declare spread of novel virus is an international emergency, Science

Poll: Large Majorities Now Say They Wear Masks Regularly and Can Continue Social Distancing for At Least Six Months if Needed, though Republicans Remain Less Likely to Take Such Precautions

UN releases emergency funds to help vulnerable countries fight coronavirus COVID-19

See Mask Mandates and Guidance, State by State - The New York Times