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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Worldwide, people with more traditional values reported taking more precautions during the pandemic.
Children's average weekday screen time rose an average of 1.35 hours during the first COVID-19 wave.
The consequences of unmet care needs may include an increased risk of disability and lower health-related quality of life.
Infected women were more likely to need tracheostomy and ventilation and to have heart attack, sepsis, and blood clots.
The top three conditions were anxiety, depression, and post-traumatic stress disorder.
In other developments, the WHO added XBB.1.9.1 to its monitoring list, a subvariant that is slowly rising in the United States and other countries.
The authors said findings support the importance of vaccinating women during and after pregnancy.
The 30-day death rate was 5.97% for COVID-19 and 3.75% for flu, for an excess death rate of 2.23%.
The authors called for a clearer definition of long COVID so that evidence from clinical trials can be reliably applied to evidence-based clinical management.
In the two rare cases, babies had seizures at birth, microcephaly, and developmental delays over time.
