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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Previous COVID-19 infection was associated with an almost 50% reduced risk of a symptomatic cold.
States could reduce disparities by populating forms with enrollee data or allowing more time to return forms, the authors say.
Rates of events such as all-cause death, heart attack, stroke, and hospitalization for chest pain, heart failure, and respiratory infections were comparable.
The company said a combo vaccine might help bridge gaps in vaccine coverage while simplifying vaccination.
The NASEM emphasizes that long COVID can follow asymptomatic, mild, or severe cases of COVID-19.
The results suggest that children with severe SARS-CoV-2 or MIS-C and severe neurologic disorders may be at high risk for long-term impairment, the authors say.
One and 6 months after the second vaccine dose, fatigue, malaise, chills, and headache were each tied to 1.4- to 1.6-fold higher neutralizing antibody levels.
Risk factors for long COVID were female sex, young and old age, White and Hispanic race, and unvaccinated status.
No safety concerns were reported after Paxlovid use.
Although a 15-day course of Paxlovid was found to be safe, it didn't demonstrate a significant benefit in improving symptoms.
