The BQ.1 and BQ.1.1 subvariants taken together are now responsible for 68% of new cases, according to data published by the Centers for Disease Control and Prevention on Friday. The XBB subvariant is causing 4.7% of new Covid infections.
Scientists, in severalindependentstudies, have described the BQ and XBB subvariants as more adept at evading immunity from vaccination and infection than prior versions of the virus.
Covid shots designed to protect against the omicron variant trigger a weaker immune response against the rapidly emerging BQ.1.1 subvariant than the previously dominant strain, according to a new lab study.
A study yesterday in JAMA Internal Medicine shows women and racial minorities were underrepresented in both COVID-19 clinical treatment trials and in disease prevention trials.
The research was conducted by a team from the Fred Hutchinson Cancer Center, as well researchers from Beijing and London.
Vaccine hesitancy about COVID-19 vaccines is a positive predictor of negative side effects with vaccination—an example of the "nocebo" effect—according to a study today in Scientific Reports.
Nocebo, a play on placebo, is a phenomenon in which people experience negative effects on health when they have negative views or expectations surrounding medical interventions.
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