A pair of US studies has better characterized persistent COVID-19 symptoms, with one suggesting a higher likelihood of small blood-vessel heart dysfunction among hospitalized patients, and the other concluding that long COVID is a range of conditions rather than a single one.
Messenger RNA vaccines for COVID-19 pose little risk to young children, with no myocarditis (inflammation of heart muscle) or pericarditis (inflammation around the heart) observed in vaccine recipients age 0 to 4. The reassuring findings were published today in Pediatrics.
A new case-control study of Brazilian healthcare workers (HCWs) suggests as many as 27% developed long COVID after infection, and multiple infections raised the risk. The findings were published today in Infection Control & Hospital Epidemiology.
Working the night shift or binge drinking may double the risk of COVID-19 infection, according to a study of nurses published this week in Alcohol: Clinical and Experimental Research. Poor sleep quality and binge drinking have been associated with COVID-19 infections, likely because both promote a pro-inflammatory state.
...Medical researchers have also linked SARS-CoV-2 to lingering complications in multiple organs and systems, and some recent work has found that new-onset cholesterol problems may be an under-recognized but common complication of COVID-19.
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