New cases of Covid-19 in the United States fell for a third week in a row, dropping 15 percent during the week ended May 2 to 347,000 – the lowest weekly total since October – according to a Reuters analysis of state and county data.

New cases of Covid-19 in the United States fell 16 percent in the week ended April 25 to about 409,000, the largest percentage drop in weekly new cases since February, according to a Reuters analysis of state and county data.

New cases of Covid-19 in the United States fell 0.4 percent during the week ended April 18 after rising for four weeks in a row, according to a Reuters analysis of state and county data.

The White House said on April 12 that it was prepared to send additional therapeutic treatments to the state of Michigan, which is experiencing a worrying number of Covid-19 cases, but declined to promise more vaccine as the state has sought.

New York City-based Pfizer announced plans to create a professional services office in Tampa, Florida and a major construction project in Portage, Michigan.

New cases of Covid-19 in the United States rose 9 percent to more than 431,000 for the week ended March 28, the first time since January that cases increased for two weeks in a row, according to a Reuters analysis of state and county data.

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. coronavirus death toll topped 400,000 on Jan. 19, according to a Reuters tally, as the country hardest hit by the pandemic struggled to meet the demand for vaccines to stem the spread of infection.

With both Pfizer-BioNTech and Moderna’s Covid-19 vaccines at the U.S. Food and Drug Administration awaiting potential Emergency Use Authorization (EUA), airlines are preparing their cargo operations to ship the vaccines.

U.S. Surgeon General Jerome Adams pleaded with Americans to grasp “the severity of the moment” and remain vigilant against the coronavirus pandemic, as record hospitalizations pushed healthcare professionals to the brink.