Thirteen of 24 symptoms were more common in COVID-19 survivors than in controls, notably fatigue, loss of smell or taste, and brain fog.
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 excess risk was primarily seen among COVID-19 survivors who were hospitalized for their infections.
The vaccine was tied to lower risks of the outcomes among all age-groups, regardless of major underlying medical conditions and immune status.
But there is 'substantial opportunity' for load-balancing strategies during future pediatric hospital surges to reduce bed strain and harm, the authors say.
The CDC recommends that toddlers receive the varicella (chickenpox) vaccine as a standalone immunization.
In contrast, the condition affected less than 1% of the Swedish population before the pandemic.
The rate of test positivity and percentage of emergency department visits diagnosed as COVID-19 significantly declined in September.
The authors call for more research to identify patient groups that could benefit from repeated treatment for COVID-19 after symptom and/or viral RNA rebound.
Prior COVID-19 infection was associated with a 41% increased risk of all-cause dementia.
Less than half, 42%, of the 1,700 respondents, said it was safe to take an mRNA COVID vaccine in pregnancy.
The findings, the authors say, supports the need to reconsider the federal decision to remove vaccine eligibility during pregnancy.
