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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Data suggest the possibility that COVID-19 could be transmitted via respiratory, fecal-oral, or body fluid routes.
Research news includes evidence of person-to-person spread before symptoms.
HHS is partnering with Sanofi and Johnson & Johnson to develop vaccines and therapeutics.
A study of 44,672 cases reveals that 14% were severe and 5% critical.
China confirms 5,090 new cases and 121 new deaths, raising the counts to 63,851 and 1,380, respectively.
"The greatest risk is from an unsuspected patient in an unprepared hospital."
Officials will use the nation's flu surveillance system to detect the new coronavirus.
Ideally, anyone coming into a room with a COVID-19 patient should wear a tight-fitting respirator.
Changed diagnostic criteria lead to 13,332 new cases, bringing China's total to near 60,000.
Also, researchers report finding the virus in saliva, but not in a small group of babies born to infected moms.
