Early studies from China in 2020 suggested people with certain blood types—specifically blood type A—might be at greater risk for getting infected—while those with type O may be protected against infection. Some small studies confirmed the connections, while others did not, leaving public health experts agnostic about how important blood type might be as a potential risk factor for COVID-19.
A new analysis suggests that the Omicron variant has comparable intrinsic severity to the ancestral (Wuhan) SARS-CoV-2 strain, but its effective severity is substantially lower because of vaccination.
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Case-patients with at least one dose of Pfizer-BioNTech or CoronaVac vaccine had significantly lower odds of mortality than unvaccinated patients, the authors said, with the lowest odds observed in people who had received three Pfizer doses (odds ratio, 0.31; 95% CI, 0.18 to 0.49).
“Unless we develop comprehensive diagnostics and treatment for long COVID, we will never truly recover from the pandemic,” Kluge said, reiterating that older adults, people with underlying medical conditions and others with weakened immune systems should continue getting vaccinated.
WASHINGTON (AP) — U.S. officials released an intelligence report Friday that rejected some points raised by those who argue COVID-19 leaked from a Chinese lab, instead reiterating that American spy agencies remain divided over how the pandemic began.
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