With increasing time since diagnosis, only the severe infections continued to cause symptoms.
Plaque growth can lead to a higher risk of heart attack, stroke, and other life-threatening cardiovascular events for as long as 1 year.
Post-exertional malaise, or exercise intolerance, was seen in 36% of those with long COVID.
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A Chinese study, however, finds the drug not effective against serious disease.
As many as 9,000 additional deaths in the country could be attributed to COVID-19.
A study involving patients in China found a 2.4-times-higher death rate in men than in women.
Niger has recorded a 12.6% case-fatality rate, which approaches Italy's 13.1%.
Five COVID-19 patients in their 30s and 40s had large-vessel ischemic strokes from Mar 23 to Apr 7 in a New York City health system, more than five times what the system had been seeing every 2 weeks in the past year, according to a research letter published yesterday in the New England Journal of Medicine.
The feds will send states enough materials to test 2% of the population.
Researchers study 391 patients and 1,286 close contacts to gauge the impact of control efforts.
Pandemic activity is heating up in Russia, Latin America, and India and its neighbors.
Pregnant women hospitalized with COVID-19 had similar clinical illness and outcomes as nonpregnant women of reproductive age and did not pass the virus to their newborns, according to a retrospective study published yesterday in the International Journal of Infectious Diseases.
WHO officials are concerned about increasing trends in Africa, Eastern Europe, Latin America, and some Asian countries.
