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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Ventilation, filtration, disinfection, and avoidance of air recirculation are possible steps.
Brazil's surge shows no sign of slowing, with more than 20,000 new cases.
Yesterday in the New England Journal of Medicine a study of Louisiana COVID-19 patients showed major racial and ethnic differences in both hospitalization rates and in-hospital deaths.
An international study found similar results with either a 5-day or 10-day course of the antiviral drug.
Also, a new poll shows only about half of Americans saying yes to a vaccine once it's available.
In Connecticut, 2.9% of asymptomatic pregnant women tested positive, while in Boston it was 1.5%.
Another study of hydroxychloroquine was paused to look for safety signals, with some nations banning its use.
A study yesterday in the Annals of Internal Medicine of more than 2,000 Europeans diagnosed as having mild to moderate COVID-19 shows that 87% reported loss of smell, and 56% reported taste dysfunction. The study suggests olfactory symptoms and taste disorders may be a common feature of COVID-19 infection.
Worries are also rising about the pandemic's impact on the healthcare of Latin Americans who have noncommunicable diseases, who make up 25% of the population.
Health officials in St. Louis are calling for Lake of the Ozarks partygoers to quarantine for 14 days.
