The United States has been in a "protracted health crisis" for decades, the researchers say.
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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A study yesterday in The Lancet presents the clinical findings of autopsies conducted on six German patients (four men and two women, aged 58 to 82 years) who died from COVID-19 in April. All six had evidence of extensive brain pathologies at the time of death.
Each patient had severe viral pneumonia caused by COVID-19 and required mechanical intubation or extracorporeal membrane oxygenation.
UK researchers stop a large hydroxychloroquine trial after no benefit was found in hospitalized patients.
The drug did not show effectiveness for postexposure prevention of COVID-19.
The company that obtained and analyzed study data would not comply with an audit, the study authors say.
Though no effect was found, the study was stopped early because of low enrollment.
Hot spots include Brazil, Mexico, Peru, India, and Iran, and global deaths are nearing 400,000.
The NIH director says some candidates will be ready for large-scale testing as early as July.
A study published today in JAMA Surgery has found a 0.93% overall incidence of COVID-19 among pediatric patients undergoing urgent surgery in three US hospitals, but with wide regional variations.
Lancet editors issue a statement acknowledging the criticism of a recent study.
One study found that obese patients were likely to require mechanical ventilation.
