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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Recovered COVID-19 patients given a single dose of a currently authorized mRNA vaccine had a robust immune response equal to or exceeding that reached by their coronavirus-naïve peers after the second dose, according to a non–peer reviewed study published yesterday on the medRxiv preprint server.
"The maximum public health benefit would come from giving a single dose to as many people as possible."
One study finds county-level disparity; the other highlights ethnicity and community exposure in health workers.
Israel and the UK are signaling they will keep precautions in place over the threat of new variant viruses.
Unemployment insurance was tied to a food insecurity reduction of 4.3 percentage points and a reduction in the need to eat less because of financial constraints of 5.7 percentage points during the COVID-19 pandemic, according to a JAMA Network Open study published late last week.
The vaccine is 66% effective in preventing moderate to severe symptoms.
Antibodies crossed the placenta in 87% of pregnant women who had COVID-19.
The report looks at medical supply chains, manufacturer transparency, financial aid, and more.
Some nations, like Germany, have raised concerns about efficacy in seniors.
An international survey of 183 pediatric patients with the rare but serious COVID-19–related multisystem inflammatory syndrome in children (MIS-C) shows broad clinical presentations, from mild illness featuring fever and inflammation to life-threatening shock similar to that of Kawasaki disease (KD).
