President Biden detailed his administration’s Omicron “battle plan” on Tuesday. The effort involves the distribution of 500 million free at-home COVID tests and sharing additional resources with overwhelmed hospitals. (The Washington Post)

In an interview, National Cancer Institute director Ned Sharpless bemoaned the “hellacious” impact the pandemic has had on cancer care. “There’s no way a disruption of this scale doesn’t translate into some excess death from cancer in the future,” he said. (STAT)

The Omicron variant accounted for 73% of new cases in the U.S. last week, rendering it the dominant version of the coronavirus. “These numbers are stark, but they’re not surprising,” said Centers for Disease Control and Prevention director Dr. Rochelle Walensky. (AP)

European nations are bracing for an imminent Omicron “storm.” Sweden announced on Tuesday that new, strident distancing and work-from-home restrictions will go into effect on December 23. (Reuters)

Parents in the U.S. are questioning how long they should wait before allowing their children to receive a second COVID-19 vaccine shot. Health authorities in Canada and Britain recommend a period of at least eight weeks between doses. (The New York Times)