Alabama’s governor on March 4 extended for another month an order mandating residents to wear face masks to protect against Covid-19, breaking with Mississippi and Texas as the issue again becomes the focus of political debate.

The United States must stick to a two-dose strategy for the Pfizer-BioNTech and Moderna Covid-19 vaccines, top U.S. infectious disease official Anthony Fauci told the Washington Post newspaper.

Top U.S. infectious disease official Dr. Anthony Fauci said on Feb. 28 he was encouraging Americans to accept any of the three available Covid-19 vaccines, including the newly approved Johnson & Johnson shot.

The head of the U.S. Centers for Disease Control and Prevention said on Feb. 26 that a recent decline in COVID-19 cases may be stalling, a development she described as concerning while urging that safeguards to fight the virus remain in place.

Top U.S. infectious disease official Anthony Fauci on Feb. 23 told CNN that he expects the U.S. Centers for Disease Control and Prevention to soon relax some Covid-19 recommendations aimed at curbing its spread for people who have been vaccinated.

The United States on Feb. 22 crossed the staggering milestone of 500,000 Covid-19 deaths just over a year since the coronavirus pandemic claimed its first known victim in Santa Clara County, California.

U.S. President Joe Biden secured a commitment from Pfizer Inc. to double the Covid-19 vaccine the company churns out in the coming weeks, putting his goal to fill the country’s inoculation stockpile by summer in sight.

The U.S. Centers for Disease Control and Prevention is stepping up efforts to track coronavirus mutations and keep vaccines and treatments effective against new variants until collective immunity is reached, the agency’s chief said.

U.S. public health officials said a second Covid-19 shot could be administered as much as six weeks apart from the first one in situations where it was not possible to get a booster dose immediately.

The United States under President Joe Biden intends to join the COVAX vaccine facility that aims to deliver coronavirus vaccines to poor countries, his chief medical adviser, Anthony Fauci, told the World Health Organization (WHO).