Maternal death rates peaked in 2021 as COVID-19 climbed.
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 data suggest patients may be spreading the virus before they have symptoms.
Los Angeles County declares a state of emergency after confirming 6 new cases.
Iran calls off Friday prayers in some cities, and Saudi Arabia announces a temporary ban on Umrah pilgrimages.
The proportion of infected children rose from 2% before Jan 24 to 13% from Jan 25 to Feb 5.
Three main hot spots saw no slowdown in cases, and Argentina and Chile became the latest countries in the Americas to report their first cases.
CDC says there are 108 confirmed COVID-19 cases in the United States.
"The epidemics in the Republic of Korea, Italy, Iran, and Japan are our greatest concern."
Washington state now has 18 cases, 10 linked to a nursing home, and 6 deaths.
Gene sequences from Snohomish County samples suggest there may be a few hundred undetected cases.
Countries reporting their first cases include the Czech Republic, the Dominican Republic, Ireland, Scotland, and Luxembourg.