Overall vaccine effectiveness was 29% against COVID-19–associated hospitalization.
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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Rather than indoor-outdoor air exchanges per hour, the document describes an "equivalent clean air flow" target per occupant of pathogen-free air.
School shutdowns, increased screen time, and more access to low-quality food are some of the reasons previous research has cited for pandemic weight gain.
People with positive home test results had significantly lower odds of isolating for any length of time than those with provider results.
Sequential vaccines, like those used for COVID-19, may elicit a greater immune response if the recipient has the same arm injected.
Virologists report what appears to be a second-generation BA.2 lineage Omicron virus with many spike protein mutations.
Patients who were older than 75 or reported good drug adherence benefited the most from the drugs.
Teleworking during COVID-19 generally had a positive impact on worker productivity and corporate bottom lines in some sectors.
Pooling of blood in the legs that causes them to turn blue may be yet another symptom of long COVID.
The only statistically significant difference at 1 year between the two groups was with extreme fatigue (3.5% of COVID-positive vs 6.8% -negative).
Patients with COVID-19 also saw a sixfold higher rate of in-hospital deaths.
