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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The early flu surge is adding to pressure on health systems as they face other respiratory diseases like RSV.
In some nations in the Americas, 3 viral diseases are straining hospitals.
Flu activity in the Northern Hemisphere is rising, with levels up sharply over the past few weeks in North America, the World Health Organization (WHO) said yesterday in its latest global flu update, which roughly covers the last half of October.
A flu surges comes as RSV continues to overwhelm pediatric hospitals in some states.
Muliple respiratory viruses are already straining health systems, with children among the hardest hit groups.
Flu activity is starting to rise in parts of the Northern Hemisphere, including Europe and North America, the World Health Organization (WHO) said in its latest global flu update, which covers data through Oct 16.
Nearly one third of 158 untreated COVID-19 patients experienced symptom rebound after being symptom-free for at least 2 consecutive days, finds a study of US adults published yesterday in JAMA Network Open.
An analysis of patients in a California health system found relatively high rates of flu-associated prescribing of select antibiotics in certain age-groups, researchers reported today in Epidemiology & Infection.
Late last week, the Centers for Disease Control and Prevention (CDC) reported a further rise in US flu activity, particularly in the southeast and south central regions, along with another variant H3N2 (H3N2v) flu case, this time in a Michigan resident who had indirect exposure to swine at an agricultural fair.
A study of antibiotic consumption in European hospitals found increasing use of antibiotics reserved for the most difficult-to-treat infections, researchers reported yesterday in Eurosurveillance.