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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Homemade masks may capture respiratory droplets, but no evidence shows they filter out aerosols, a new report says.
Washington, DC, Baltimore, and Philadelphia will likely be the next US hot spots, officials say.
In a third study, temperature, humidity, and UV radiation had no effect on disease spread.
"Please quarantine politicizing COVID," Tedros says.
Data are sparse on warmer temps and less disease, and some nations with "summer" climates are seeing rapid spread.
Also, a study highlights a person who had only mild symptoms but infected at least 10 people.
"The ICU community must brace itself for this potentially overwhelming surge of patients."
Also, African-Americans appear to be disproportionally affected, and a poll reflects high public concern.
Global deaths today pass 80,000, reaching 81,200, just 1 day after exceeding 70,000.
In a pandemic, using the same respirator for 5 days, as long as it is not removed multiple times per shift, can help stretch supplies, but data are sparse on decontamination.
