Wake Forest University: Reports on breakthrough COVID cases causing confusion about vaccine effectiveness

Wake Forest University: Reports on breakthrough COVID cases causing confusion about vaccine effectiveness. “Statistics professor Lucy D’Agostino McGowan is taking aim at misconceptions about the number of COVID-19 breakthrough cases and vaccine effectiveness. Reports on infection percentages emphasize the wrong denominator – the bottom number in a fraction. As a result, people may feel overly alarmed by the number of fully vaccinated people who are turning up among the infected.”

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