There have been an estimated 31 million illnesses, 380,000 hospitalizations, and 23,000 deaths from flu so far this season.
The loss of activity is equivalent to 15% of the US population becoming completely immobile for 1 day.
Adult COVID-19 patients also infected with the flu are 4 times more likely to need mechanical ventilation and 2.4 times more likely to die.
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The 30- and 90-day mortality rates for infected patients were 12% and 19%, respectively.
So far this season, 139 children have died from the virus, and about 85% with a known vaccination status were unvaccinated.
Giving Tamiflu to 70% of nursing home residents within 2 days of an outbreak is linked to significantly fewer hospitalizations.
The findings suggest that while humor may resonate in specific contexts, people favored straightforward, factual information.
So far this season, 101 children have died of flu, roughly 85% of whom were unvaccinated.
The findings provide further evidence against the COVID-19 lab-leak hypothesis.
The recommendation for vaccines for the next flu season includes a new influenza variant—subclade K—that started to increase last fall.
Levels of RSV also remain high in many areas of the US, while COVID-19 activity is waning in most of the country.
So far this season, the CDC estimates that there have been at least 24 million flu-related illnesses, 310,000 hospitalizations, and 20,000 deaths.
Children with the condition are also more likely to have severe infections, the study suggests.