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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The death in China is the second in the outbreak.
New details in the outbreak emerge, including potential human-to-human spread.
Also, a health official says there may be a family cluster among the outbreak patients.
The woman has no fever or respiratory symptoms and may go home soon.
Officials put the case count at 41 and note how the new virus relates to the SARS virus.
Wuhan's health commission hasn't released any updates on the outbreak since Jan 5.
The virus seems to group with the betacoronaviruses, the genus that includes the SARS virus and MERS-CoV.
Coronaviruses that can cause serious human disease are on the rise, emphasizing the importance of public health preparedness.
Hong Kong, meanwhile, reports a respirator shortage.
The CDC issues a watch but does not call for travel limits.
