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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The researchers also show that more than 1 in 5 adults had protracted recoveries.
Over 78% were dirty, rendering them unsuitable for sterilization, the authors say.
Only 3% of people said COVID-19 was not a health threat to anyone early in the pandemic.
The company said it will have the vaccine ready to distribute in mid July as prefilled syringes, pending approval and recommendations.
The odds ratio of any persistent symptoms was more than double in COVID-19 patients.
The paper has already led to much confusion and has been used as fodder for anti-vaccine advocates.
The vast majority of funds—up to $453 million—goes to Vaxart of San Francisco for developing an oral pill vaccine candidate.
The CDC estimates that cases are growing or likely growing in 34 states and territories.
Each additional patient in the nurses' workload pre-pandemic was associated with 20% higher odds of in-hospital mortality.
A negative result indicates low immunity, but a positive result doesn't necessarily indicate sufficient immunity.
