A case of the Omicron coronavirus variant was identified in Minnesota on December 2, the U.S. state’s health department said, with the identification coming a day after the United States reported the country’s first case of the new variant.

A federal appeals court on Aug. 16 revived nearly 6,000 lawsuits alleging that a widely used device produced by 3M Co. to keep surgical patients warm caused them to develop infections.

The governors of two more U.S. states said on May 6 they were lifting most restrictions that were put in place to combat the spread of the novel coronavirus after sharp drops in infection rates and deaths.

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.

Chicago’s mayor issued a month-long stay-at-home advisory, and Detroit’s public schools called a halt to in-person instruction to curb the spread of the coronavirus as more than a dozen U.S. states reported a doubling of new Covid-19 cases in the last two weeks.

The United States reported a record increase in coronavirus cases for a fourth consecutive day with at least 131,420 new infections, bringing the country’s total caseload to about 9.91 million, according to a Reuters tally.

U.S. coronavirus infections surged by at least 129,606, according to a Reuters tally, the third consecutive daily rise of more than 100,000 cases as a third wave of Covid-19 sweeps the United States.

The United States set a one-day record for new coronavirus cases with at least 102,591 new infections and as hospitals in several states reported a rising tide of patients, according to a Reuters tally.

The number of new Covid-19 cases in the United States last week rose 24% to more than 485,000 while the number of tests performed rose 5.5%, according to a Reuters analysis of state and county reports.

Covid-19 shattered records for new cases in the U.S. Midwest, straining hospitals, and will darken New York’s Broadway theaters until June, a decision the Actors’ Equity Association union called “difficult but responsible.”