Participants in Novavax Inc.’s late-stage Covid-19 vaccine trial can be considered fully vaccinated two weeks after completing their two-dose vaccine regimen, the U.S. Centers for Disease Control and Prevention said on Aug. 30.

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.

The U.S. Food and Drug Administration issued final guidance on May 17 on master protocols for evaluating prevention and treatment options for Covid-19. The guidance took effect immediately and will remain in effect throughout the pandemic.

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).

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 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.

The Centers for Disease Control and Prevention (CDC) published updated guidance communicating to the public that the coronavirus disease 2019 is an airborne threat, explicitly stating that transmission and subsequent infection with the novel coronavirus can occur via inhalation of very fine respiratory droplets as well as aerosolized particles. 

Children attending summer camp can get within 3 feet (1 meter) of each other but should wear masks to limit the spread of Covid-19, according to fresh guidance issued by the U.S. Centers for Disease Control and Prevention.

The U.S. State Department will boost its “Do Not Travel” guidance to about 80 percent of countries worldwide, citing “unprecedented risk to travelers” from the Covid-19 pandemic.