The risk of long COVID was two to three times higher after the initial infection (14.8%) than after first (5.8%) or second (5.3%) reinfections.
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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Risk factors for long COVID were female sex, older age, and elevated levels of the cytokine interleukin-6 at baseline.
Rehabilitation interventions were associated with larger improvement in quality of life compared with the comparison group.
Goals include identifying best practices for treating long COVID and increasing access to quality care.
In people who had previously tested positive for SARS-CoV-2, the prevalence of long-term symptoms varied from 26.9% to 64.1%.
The authors said Paxlovid and molnupiravir 'probably' improve outcomes for outpatients with mild to moderate illness.
Sixteen cytokines and chemokines were significantly decreased after vaccination.
But the authors caution that watch histories substantially affect video recommendations, complicating the picture.
The risk of a positive COVID-19 test at an emergency department or urgent care visit was 0.56 after two doses and 0.88 after three doses.
Roughly 18,900 Americans were hospitalized for the virus in the first week of September.
The platform's system architecture may have enabled anti-vaccine content producers and users to forge new paths to such content.
