Prognosis

Chicago ICUs Fill; Alaska Airlines Cuts Flights: Virus Update

Paramedics tend to a Covid-19 patient inside a medical aircraft during a transfer in France, on Jan. 5.

Photographer: Pascal Pochard-Casabianca/AFP/Getty Images

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The U.S. shortage of at-home tests is forcing choices: New York City health officials say they will prioritize keeping schools open, while Florida will focus testing on nursing homes and other long-term care facilities. Chicago’s viral surge is filling the city’s intensive care units, with almost 90% of beds occupied.

Alaska Airlines cut 120 flights Thursday, or about 16% of its total, according to FlightAware.com, as more than 1,980 flights were canceled across the industry because of winter weather and employee illness.