Overall, 57% of participants had evidence on PET/MRI of inflammation affecting the heart or lungs.
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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WHO officials stressed that even intense transmission countries can turn their outbreaks around with leadership, consistent messaging, and key measures.
The vaccine trial is starting against a backdrop of a vigorous US outbreak, in which three states outside the main hot spots reported record highs: Oklahoma, Missouri, and North Dakota.
Two German studies published today in JAMA Cardiology show abnormal heart imaging findings in recently recovered COVID-19 patients.
In a comparative analysis published late last week in Clinical Infectious Diseases, the antiviral drug remdesivir was linked to significantly greater recovery and a 62% lower death rate by day 14 versus standard treatment in hospitalized adults with severe COVID-19.
"We need to reopen the schools with the understanding the virus is still here," CDC Director Robert Redfield says.
In India, surging COVID-19 has led to remdesivir shortages, and the outbreak is expanding in Brazil.
A study yesterday in The Lancet Child & Adolescent Health found no evidence of COVID-19 transmission between 120 babies born to mothers with COVID-19, even after 2 weeks of breastfeeding with appropriate hygiene precautions.
July continues to look like April for the US, just as pro baseball opens.
WHO head reiterates that political leadership and community engagement are the 2 key response pillars.
About 47% of US adults have an underlying condition strongly tied to severe COVID-19 illness.
