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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COVID-19 hospitalizations dropped 6% and deaths declined by 9%, but emergency department visits were up 2% and test positivity rose 0.4%.
The researchers observed a dose-response relationship between the number of antibiotic prescriptions and risk of severe outcomes.
Data from hospitals in Chile, Brazil, and Argentina show substantial increases in intravenous antibiotic use at the beginning of the pandemic.
Previous studies have suggested boarding has been an increasing trend for psychiatric youth patients in the US since 2001.
In 2020 the CDC said 4% of survey respondents said they drank or gargled diluted bleach to prevent COVID-19, but a new study calls that into question.
The tool has a diagnostic sensitivity of 97.8% and a diagnostic specificity of 98.9%, the authors say.
Of 19 countries that regularly report hospitalizations, 2 reported rises of 20% or more: Bangladesh and Malta.
By 12 months, T-cell activation and cytokine levels decreased and were comparable in patients with mild, moderate, and severe disease.
COVID-19 may also lead to brain fog by affecting different brain regions through hyperactivation of the immune response, cell death, or inflammation.
Children at high risk for RSV are eligible for immunoprophylaxis administration during seasonal spikes, and guidelines recommend they receive RSV monoclonal antibodies.
