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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Experts say it could be better defined and measured through well-designed longitudinal studies that take children's unique presentations into account.
Previously vaccinated children in a county with the greatest COVID-19 severity had a lower predicted probability of receiving a flu vaccine than those in a county with the lowest severity.
Seventy percent of those who did not use telehealth said they did so based on personal preference.
The latest Gates Foundation funds support mRNA vaccine production in Africa and other lower-income regions.
While antibiotic use has declined over the pandemic, nearly two-thirds of non-critically ill, hospitalized COVID-19 patients received antibiotics in 2022, most of them on admission.
The authors found no statistically significant difference in risk of VTE among cases and controls in the 6 months following a COVID-19 diagnosis.
Test positivity last week was 10.9%, down 1.2% from the previous week, and hospitalizations were down 6%.
Relative to controls, COVID-19 patients had significantly higher risks of conditions such as alopecia areata, alopecia totalis, Crohn disease, and sarcoidosis.
The findings were based on patients seen in King County, Washington.
In June, the CDC's Advisory Committee on Immunization Practices recommended RSV vaccination for adults aged 60 years and older.
