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COVID-19 Vaccine Makers Look To Adjust As New Variants Emerge

Video Credit: KDKA CBS 2 Pittsburgh - Duration: 02:10s - Published
COVID-19 Vaccine Makers Look To Adjust As New Variants Emerge

COVID-19 Vaccine Makers Look To Adjust As New Variants Emerge

Because more and more coronavirus variants are emerging, vaccine makers want to see if booster doses or modified shots will be protective; KDKA's Dr. Maria Simbra reports.


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