U.S. Surgeon General Vivek Murthy stood by federal guidance that those fully vaccinated against Covid-19 no longer needed to wear masks, while blaming social media companies for fueling vaccine misinformation.

Los Angeles County will reimpose its mask mandate during the weekend of July 16 in the latest sign that public health officials are struggling with an alarming rise in coronavirus cases tied to the highly contagious Delta variant.

The U.S. Centers for Disease Control and Prevention on July 9 updated its guidance to help reopen schools in the fall, including recommending masking indoors for everyone who is not fully vaccinated and three feet of distance within classrooms.

Texas Governor Greg Abbott on May 18 ordered all government entities in the state, including school districts, to lift mask mandates by week’s end, though existing guidelines for face-coverings in schools may remain in effect through June 4.

Disney World and other U.S. amusement parks updated their mask policy following the latest guidance from the Centers for Disease Control and Prevention (CDC).

Schools in the United States should continue to use masks for the 2020-2021 academic year as all students will not be fully vaccinated, the U.S. Centers for Disease Control and Prevention (CDC) said on May 15.

Walmart said on May 14 that fully vaccinated employees will not need to wear a mask at work starting May 18, following the latest guidance from the U.S. Centers for Disease Control and Prevention.

The U.S. National Restaurant Association will remove a suggestion from its operating guidance for restaurants that says fully vaccinated people should still wear masks indoors, following new advice from the U.S. Centers for Disease Control and Prevention (CDC) on May 13.

The U.S. Centers for Disease Control and Prevention (CDC) on May 13 advised that fully vaccinated people do not need to wear masks outdoors and can avoid wearing them indoors in most places, updated guidance the agency said will allow life to begin to return to normal. Reuters lays out some of recent scientific evidence on which the CDC and Director Rochelle Walensky based their updated guidelines, including vaccine efficacy against virus variants, increased availability and a reduction in cases.

The governors of two more U.S. states said on May 6 they were lifting most restrictions that were put in place to combat the spread of the novel coronavirus after sharp drops in infection rates and deaths.