A U.S. senator is asking the Centers for Disease Control and Prevention (CDC) to clear up conflicting statements on whether a specific method of COVID-19 vaccine safety research is being conducted.
Sen. Ron Johnson (R-Wis.) asked CDC Director Rochelle Walensky for details after The Epoch Times reported that Dr. John Su, a CDC doctor, claimed that the CDC has been performing Proportional Reporting Ratio analyses on data from the Vaccine Adverse Event Reporting System since February 2021.
