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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In response to COVID-19, the US government sold $1.5 trillion in obligations such as bonds and spent $1.3 trillion on public health, homeland security, and economic relief by Jun 30, according to an update yesterday from the Government Accountability Office (GAO).
In other developments, Japan signaled it will participate in the WHO's COVAX program, as the US declined.
In one study, 27% of exhaled breath samples were positive for COVID-19 viral RNA.
"If countries are serious about opening up, they must be serious about suppressing transmission and saving lives."
At least 26 states are seeing 7-day case increases of more than 5%.
US counties with large declines in cell phone activity at workplaces, transit stations, and stores and concomitant increases in home activity during COVID-19 lockdowns had lower rates of coronavirus infections 5, 10, and 15 days later, according to a study published today in JAMA Internal Medicine.
In one study, 57% of patients got early antibiotics, but only 3.5% had a bacterial infection.
The first COVID-19 case has been detected in northern Syria's Al Hol refugee camp.
The claim comes despite the fact that no major vaccine candidate has completed clinical trials.
Scientists in New Delhi, India, report infections with worrisome multidrug-resistant Candida auris in 10 of 15 critically ill COVID-19 patients who also had candidemia over a span of several months, according to a report yesterday in Emerging Infectious Diseases.