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.

Texas Governor Greg Abbott issued the most sweeping rollback of coronavirus restrictions of any U.S. state on March 2, lifting a mask mandate and saying most businesses may open at full capacity by the following week.

The United States will have enough Covid-19 vaccine for every American adult by the end of May, President Joe Biden said on March 2 after Merck & Co. agreed to make rival Johnson & Johnson’s inoculation.

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 U.S. government on Feb. 27 authorized Johnson & Johnson’s single-dose Covid-19 vaccine, enabling millions more Americans to be vaccinated in the coming weeks and setting the vaccine up for additional approvals around the world.

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.

Drugmaker Eli Lilly said on Feb. 26 the U.S. government agreed to buy at least 100,000 doses of the company’s newly authorized COVID-19 dual antibody cocktail for $210 million, with doses to be delivered through March-end.

Fujifilm Holdings Corp. will restart a clinical trial in Japan of the company’s antiviral drug Avigan for the treatment of Covid-19, the Nikkei newspaper reported on Feb. 21.

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.