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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In one of the first large-scale studies of COVID-19 transmission in US childcare programs, no association was found between day care exposure and COVID-19 transmission risk for providers.
Those who consulted government sources held more science-based beliefs about the pandemic.
Both a vaccine trial and monoclonal antibody trial have been paused.
Only 2 of 101 newborns had positive COVID-19 test results, but they had no signs or symptoms.
The first SARS-CoV-2 infections in US animals were confirmed in large cats at the Bronx Zoo in March during the height of the local COVID-19 outbreak. An American Society for Microbiology study today details the genomic characteristics of viruses that infected zookeepers, four tigers, and three African lions, supporting a human-to-animal transmission pathway.
The vast majority of the world is still susceptible to the virus, the WHO director says.
A study late last week found that convalescent plasma (CP) treatment did not significantly reduce mortality, but improved hospital discharge rates for patients 65 and older. The study in Clinical Infectious Diseases is one of the first to analyze clinical outcomes for closely matched cohorts of CP and control patients.
Since May 10, the US rate has exceeded that of all other nations studied.
The data offer hope for disease protection, but persistence was not analyzed beyond 4 months.
A trio of studies look at young adults' actions and consequences during the pandemic.
