LANSING, Mich. (Great Lakes News) – Pfizer announced early Tuesday that a study is underway comparing its original COVID-19 vaccine with doses specially tweaked to match the Omicron variant.
The Omicron variant has been described by health officials as a more contagious variant with less severe symptoms.
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COVID-19 vaccine makers have been updating their shots to better match Omicron if global health authorities decide the change is needed.
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