The authors noted that viral infections trigger the immune system to release substances that lead to inflammation and increase the risk of blood clots.
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 observational study found 46% protection but is smaller than an earlier one that showed no protection.
California researchers have developed a rapid test to detect antibiotic susceptibility in urinary tract infections (UTIs) in less than 30 minutes, which could allow patients to be diagnosed and prescribed effective antibiotics during just one healthcare visit, according to a study today in Science Translational Medicine.
The changes will not be reflected in the vaccine used in the upcoming Northern Hemisphere season.
By day 7, both treatment groups had similar rates of viral shedding.
State and county health officials in Maryland are investigating influenza in 11 pigs that were recently shown at a fair in Frederick County, the second time flu has been detected at the state's county fairs in as many weeks.
High flu activity continues in several parts of the world, especially in Australia, as well as some countries in southern Asia and southeast Asia, the World Health Organization (WHO) said in its latest global flu update.
The Saudi Arabian Ministry of Health (MOH) reported two new cases of MERS-CoV yesterday and today.
Yesterday, a 37-year-old Saudi man from Al Hofuf was diagnosed as having MERS-CoV (Middle East respiratory syndrome coronavirus). He is in critical condition. The MOH said the source of his infection was primary, meaning he likely did not contract the disease from another person.
The results of a World Health Organization (WHO) working group investigation into pregnancy and influenza research from 2014 to 2017 showed mixed results when it came to the extent that maternal vaccine protected pregnant women and infants up the age of 6 months from influenza.
The US Centers for Disease Control and Prevention (CDC) today confirmed a new case of variant H1N2 flu (H1N2v) in a child in Ohio, the second US case this year caused by that strain, and the 20th variant flu case of the year.
In a study designed to help clinicians and health policy makers decide whether to recommend and offer annual flu vaccination, a new meta-analysis published today found no evidence that prior season immunization blunts the protection of the current seasonal vaccine.
Researchers from Ontario and Hong Kong published their meta-analysis of observational studies today in BMC Medicine.