Secondary bacterial pneumonia rates were significantly higher in the RSV group.
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 death-rate ratio of adults aged 70 years and older and children younger than 5 years climbed globally, with the Western Pacific Region experiencing the largest increase.
Though hospitalizations and other markers trended lower, the CDC received reports of 17 more pediatric flu deaths.
Sixteen more pediatric flu deaths were reported, as hospitalizations and outpatient visits remain high.
While influenza B patients had better short-term outcomes, they experienced higher-than-expected rates of hospitalization, ICU admission, and death.
Twelve more pediatric flu deaths were reported, mostly caused by the H1N1 strain, raising the season's total to 98.
The group also recommended two vaccine strains for pandemic preparedness, one for the H5N1 2.3.2.1a clade and another targeting the reemerging H5N6 2.3.4.4h clade.
The study involved 68 US children who died from seasonal flu this season.
The Vaccines and Related Biological Products Advisory Committee was scheduled to meet March 13 to select virus strains for the 2025-26 flu vaccine.
The CDC says it does not anticipate posting any more updates on US respiratory disease activity this season.
Median cumulative state rates ranged from 23 (Alaska) to 249 (New York) per 100,000 people.
