The United States has been in a "protracted health crisis" for decades, the researchers say.
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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Black, Latino, and Native American children account for 65% of those who have lost a primary caregiver to COVID-19.
Paxlovid's estimated effectiveness in preventing hospitalization or death was 53.6%, rising to 89.6% when it was taken on the day of the COVID-19 test.
The WHO's new variant tracking system better distinguishes Omicron sublineages and outlines when new SARS-CoV-2 changes pose major public health threats.
Fourth-dose vaccine effectiveness among patients aged 65 years or older was 66% at 7 to 59 days and 57% at a median of 88 days.
"Currently available data show that vaccination remains the best defense against severe disease, hospitalization, and death caused by COVID-19 across all age groups."
Negative infant mood and behavior has been associated with behavioral, cognitive, and developmental problems across the lifespan.
Pandemic-related family financial struggles were tied to increases of 205% in perceived stress and 112% in sadness.
Protection of 4 doses of COVID vaccine against BA.5 infection among COVID-naïve participants was 16.1%, while it was 89.5% and 94.3% among those previously infected with BA.1 and BA.2, respectively.
Venous thromboembolism occurred in 292 of 398,530 patients (0.1%) over the follow-up period, for an overall rate of 0.26 per 100 person-years.
Fever and cough were more common with the Delta and Omicron variants, but rates of hospitalization and ICU admission stayed the same over time.