The risk of long COVID was two to three times higher after the initial infection (14.8%) than after first (5.8%) or second (5.3%) reinfections.
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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Antibody response was akin to that in non-pregnant women, with a similar safety profile.
The WHO issues an urgent request for countries to donate 10 million vaccine doses in a final push to get inital vaccine to all countries.
Also, the CDC notes higher anxiety and depression in young adults during the pandemic.
Researchers reporting on two non-peer–reviewed studies published this week on the preprint server medRxiv followed up months after adults' COVID-19 hospitalization and found that 55% to 71% have not fully recovered. Middle age and female sex were associated with a higher likelihood of worse recovery in both studies.
Experts say aerosols, the B117 variant, classroom density, and lunchtime all play a role.
Patients given the antiviral drug improved in 5 days, compared with 7 days in the control group.
Brazil's deaths crossed the 300,000 mark, the only country besides the United States to pass that number.
Today is Biden’s 65th day in office; his 100th will be on Apr 30.
SARS-CoV-2, the virus that causes COVID-19, infects cells in the mouth, according to a study published today in Nature Medicine. This could change perceptions on how the virus travels to the lungs or the digestive system as well as how it is transmitted from person to person, the researchers write.
The rise is led by cases in the Americas and Europe, with deaths leveling off after a 6-week drop.
