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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"Right now I'd like to stress these events seem to be extremely rare," says Janet Woodcock, acting FDA commissioner.
Studies find that antibodies pass robustly from mothers to infants in breast milk.
Spikes continue in hot spots like Iran and Japan as the global death toll nears 3 million.
The COVID-19 pandemic has negatively affected healthcare programs in low- and middle-income countries (LMICs) that work to protect populations against HIV, tuberculosis (TB), and malaria, according to a new report by the Global Fund to Fight AIDS, Tuberculosis, and Malaria.
"If we tried to vaccinate our way out of what is happening in Michigan, we would be disappointed that it took so long," says CDC director.
COVID-19 survivors also had a 93% lower risk of symptomatic infection within 7 months.
Officials say masks, distancing, and other measures are needed to give vaccines a chance to succeed.
One dose of the Pfizer/BioNTech COVID-19 vaccine appears to be not very protective against the B117 variant, and two doses may not be as effective against the B1351 variant, according to a non–peer-reviewed, real-world Israeli study posted late last week on the medRxiv preprint server.
Patients in 3 European nations developed an unusual blood clotting disorder.
Studies spotlight disease impact in Montana and control efforts in two states.
