And the … scientists are looking at a vaccine protocol with 90% effectiveness keeping people out of the hospital and preventing serious illness and sorta’ flipping a coin and saying “let’s change it!” With inadequate data.
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WHO advisers recommend switch to monovalent XBB COVID vaccine.
"recommended that vaccine makers drop the ancestral strain and switch to a monovalent (single-strain) vaccine that contains an XBB.1 descendant lineage such as XBB.1.5."
cidrap.umn.edu/covid-19/who-a
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