July 30 (Reuters) - U.S. CDC:

WASHINGTON (Reuters) - The Centers for Disease Control and Prevention (CDC) said on Friday that 73.8% of U.S. counties had transmission rates of COVID-19 high enough to warrant indoor masking in public spaces and should immediately resume the policy.

(Reuters) - The U.S. Food and Drug Administration has expanded the emergency use authorization of Regeneron Pharmaceuticals Inc's COVID-19 antibody cocktail, enabling its use as a preventive treatment for the illness in certain people.

WASHINGTON (Reuters) - White House principal deputy press secretary Karine Jean-Pierre said on Friday the average number of people getting COVID-19 vaccination shots is up 30% at a time when the Delta variant of the coronavirus blazes through parts of the United States.

July 30 (Reuters) - Walmart Inc has made it mandatory for its retail workers in U.S. COVID-19 hotspots to wear masks and said it required its corporate staff to be vaccinated against the virus.

WASHINGTON, July 30 (Reuters) - With a U.S. government moratorium on residential evictions that has been in place for 11 months set to expire on Saturday, U.S. House Speaker Nancy Pelosi sought to win approval for an extension.

GUATEMALA CITY, July 30 (Reuters) - Anti-government protesters blocked intersections across Guatemala for the second day in a row on Friday, as calls intensified for President Alejandro Giammattei and the attorney general to step down after the ousting of a top anti-corruption official.

July 30 (Reuters) - The United States had administered 344,928,514 doses of COVID-19 vaccines in the country and distributed 399,090,105 doses as of Friday morning, the U.S. Centers for Disease Control and Prevention said.

(Reuters) -Three quarters of people infected with COVID-19 at public events in a Massachusetts town were fully vaccinated, a study by the U.S. Centers for Disease Control and Prevention (CDC) showed.