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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Infection rate dropped 5% for every 1 ng/mL increase in Black patients with a vitamin D level of at least 30 ng/mL.
Compared with the 2014 to 2019 flu seasons, COVID-19's effect in March and April 2020 resulted in a dramatically higher rate of deaths, mechanical ventilation procedures, and hospitalizations at the Beth Israel Deaconess Medical Center (BIDMC) in Boston, according to a study published in the Journal of General Internal Medicine late last week.
For middle schools and high schools in areas with high community spread, 6 feet is still recommended.
More than a dozen countries restarted immunizations with the vaccine, but others did not.
Hospitals were under serious strain during the 2017-18 flu season, yet no pandemic planning resulted.
For every 3 people who would have died from the previous dominant strains of SARS-CoV-2, 5 will die if they are infected with the B117 variant of concern (VOC), according to a UK study yesterday in Eurosurveillance.
The estimated protection against reinfection was about 80%, but for seniors it was only 47%.
People commonly experience fatigue, cognitive conditions, or shortness of breath, says a new study.
Both the EMA and the UK's drug regulatory agency weigh in and say the data vouch for effectiveness and safety.
"This is a time for optimism, but not a time for relaxation," Biden says.
