The pace of the coronavirus outbreak in the U.S. continued to ease as the country’s week-to-week average fell to its lowest in almost four months. A top Biden administration health official warned Americans not to get complacent as the potentially more lethal variant first found in the U.K. spreads across the country. California’s positive test rate fell to its lowest since November, and New York state’s hospitalizations, stuck among the nation’s highest, dropped by more than 1,000 over the last week. Ohio reported the fewest cases since October.

The U.K. affirmed its plan for schools to reopen early next month as the nation’s vaccine program meets its first target. The Czech government prolonged its lockdown as the country struggles to contain one of Europe’s worst outbreaks.

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