Vaccines are key to China’s zero-Covid exit but scepticism poses challenge Backing down from existing policies remains a political problem of the first order the Guardian

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U.S. FDA authorizes Moderna, Pfizer updated COVID boosters for 6 months old The U.S. Food and Drug Administration on Thursday authorized updated COVID-19 booster shots from Moderna and Pfizer and its partner BioNTech for children as young as 6 months of age. Reuters Reuters

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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.

COVID vaccine hesitancy linked to 'nocebo' side effects CIDRAP

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.