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Omicron boosters are weaker against BQ.1.1 subvariant that is rising in U.S., study finds

Omicron boosters are weaker against BQ.1.1 subvariant that is rising in U.S., study finds

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.

Scientists at the University of Texas Medical Branch, in a study published online Tuesday in Nature Medicine, found that the booster shots performed well against the BA.5 subvariant they were designed to target.

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New study spotlights disparities in COVID-19 clinical trials

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.

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Analysis: The changing COVID pandemic situation

..Global health officials cautioned the public against letting its guard down, while acknowledging a change in outlook nearly three years after the virus was first detected. The World Health Organization (WHO) has yet to declare an end to the COVID public health emergency introduced in January 2020.

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