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 findings of the first study suggest that the antivirals are unlikely to contribute to viral rebound and to spread in the community under current conditions, the authors say.
People who had 2 COVID infections were more than twice as likely to report long COVID as those with 1 infection, and the risk rose with more reinfections.
If the third vaccine dose was administered 16 weeks or less before infection, healthcare providers had lower odds of reporting respiratory symptoms.
All children in the study were screened for autism between 16 and 30 months of age.
One of the most striking findings was that post-COVID deficits in hospitalized patients looked similar to 20 years of normal aging.
In 2023, nearly half of all US COVID hospitalizations were among those ages 75 and older.
All patients were hospitalized when the Omicron variant was the most dominant strain in the United States.
Wastewater levels are still high, but like other markers are showing a downward trend.
Adding COVID-19–specific guidance to an established stewardship program helped cut antibiotic use by 29% after the first COVID surge.
The new findings come from the ongoing RECOVER trial and build on results seen in a 2023 trial.
