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Preprint study evaluated entire Scottish population and calls into question delaying second Covid vaccine dose up to 12 weeks. After first dose it noted a drop in preventing hospitalization from 84% at 5 weeks to 58% after the 7th. And after 16 weeks?
Medical Mythbusting Commentary for April 30, 2021 Source:Scotland’s vaccine rollout suggests delaying the 2nd COVID-19 shot is a bad idea Reference:Effectiveness of first dose of COVID-19 vaccines against hospital admissions in Scotland:national prospective cohort study of 5.4 million people
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NACI stands by its four month dosing interval but does not provide further evidence that this will work well for all age groups and for those with complicating medical conditions. Hope the gamble works (truly, no sarcasm).
Medical Mythbusting Commentary for April 8, 2021 Source:Vaccine committee says extending dose interval would allow more essential workers to receive 1st shot