Long-COVID patients with dizziness on standing, mood changes, and musculoskeletal pain were the most likely to report unfavorable health.
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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The findings are notable in light of a vaccine safety signal detected in January 2023 by the CDC.
The authors say the findings highlight the need for standardized reporting protocols, explicit directives, and a shift to automated processes.
Researchers saw an impact lasting as long as 12 months, while noting that hospitalization numbers were also low in unvaccinated teens.
Seventeen percent of children ages 5 to 11 with sickle-cell disease had been vaccinated, compared with 25% of their counterparts.
Of COVID-positive respondents, omnivores had a higher rate of moderate or severe disease than the plant-based group (18% vs 11%).
The most common symptoms at 2 years were fatigue, memory loss, trouble concentrating, and insomnia.
COVID is at higher-than-expected levels in some parts of South America.
Fall 2020 brought the biggest upheaval in public school enrollment in US history, with a 2.8% decline in public school enrollments.
Vaccine efficacy against ICU admission was 85% to 91% in adolescents amid the Omicron variant period.
COVID activity is high, but infections are causing less severe disease than earlier in the pandemic.