Pfizer Covid vaccine is less effective in kids 5 to 11, study finds New data suggest the Pfizer-BioNTech Covid vaccine works substantially less well at preventing infection and hospitalizations in kids 5 to 11. Helen Branswell STAT

Newly emerging data suggest the Pfizer-BioNTech Covid vaccine works substantially less well at preventing infection and hospitalizations in children aged 5 to 11 than it does in those aged 12 to 17 — a finding that is raising questions about whether the companies chose the wrong dose for the younger children.

Covid infections plummet 90% from U.S. pandemic high, states lift mask mandates

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Hospitalizations have also fallen sharply. There are about 66,000 patients in U.S. hospitals with Covid as of Monday, according to a seven-day average of data from the Department of Health and Human Services, down from the Jan. 20 peak of 159,000 patients.

The Covid death toll, which typically lags a rise in cases by a number of weeks, is elevated but showing signs of easing. Average daily deaths reached the highest level in about a year on Feb. 1 at nearly 2,600 per day and have since fallen below 2,000. ...

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