With increasing time since diagnosis, only the severe infections continued to cause symptoms.
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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Rather than indoor-outdoor air exchanges per hour, the document describes an "equivalent clean air flow" target per occupant of pathogen-free air.
Patients with COVID-19 also saw a sixfold higher rate of in-hospital deaths.
Pakistan has its second wild poliovirus type 1 case of the year, 4 countries report rising mpox, and the WHO has new resources.
Flu activity is on the downslope in the Southern Hemisphere, and globally influenza A is dominant with H3N2 and H1N1 proportions nearly equal among subtyped samples.
Having 2 or more underlying medical conditions raised the risk of ICU admission, mechanical ventilation, and in-hospital death.
Of positive flu samples at national labs, 68.5% were influenza, and of subtyped samples, 66.2% were the 2009 H1N1 virus.
The rates the researchers saw could serve as a baseline for gauging whether coinfections rates are shrinking or growing.
A study found that the recombinant influenza vaccine provided better protection against hospitalization than the standard-dose vaccine.
A roundup of infectious disease stories in the news.
Southern Hemisphere flu activity continues to rise in some countries, though levels have stabilized or are declining in others.
