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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Of those who had long COVID, 61% had been hospitalized after contracting the virus.
The results suggest that waning SARS-CoV-2 immunity levels over time can lead to reinfections and a new pandemic wave, the authors say.
The clinical secondary attack rate for asymptomatic COVID-positive children was more than 10%.
The most common reasons given for forgone care were fear of contracting COVID-19 and difficulty securing an appointment.
Patients also had a significantly lower rate of early-stage cancer and a significantly higher rate of advanced tumors.
The pre-exposure treatment is indicated for adolescents and adults with moderate-to-severe immunocompromising conditions.
Advice includes optimizing HVAC systems and other steps to improve air quality and circulation.
While racial minorities disproportionately live in geographic regions with higher telemedicine use, they used the services less than their White peers.
The prevalence varied from 5% in men who had COVID-19, to 15% among the unemployed.
Flu indicators declined last week, as COVID wastewater detections declined to the low level.