CDC Data Shows ‘Worrying Drop’ in Vaccine Efficacy over Time

CDC Director Dr. Rochelle Walensky speaks to the press after visiting the Hynes Convention Center FEMA Mass Vaccination Site on March 30, 2021 in Boston, Massachusetts. Dr. Walensky recently said she had a sense of "impending doom" as the rate of coronavirus infection has recently been rising across the U.S. …
Erin Clark-Pool/Getty Images

Data from the Centers for Disease Control and Prevention (CDC) has demonstrated what anonymous administration officials described to Politico as a “worrying drop” in coronavirus vaccine efficacy over time, leading to the Biden administration’s conclusion to push vaccine booster shots.

“This is what moved the needle,” a senior Biden administration official said to Politico of the CDC’s report.

According to the outlet, the data looked at the effectiveness of the coronavirus vaccines at different points in time and found a “decline in the initial round of protection against Covid-19 [Chinese coronavirus] infection that’s coincided with a resurgence in cases driven by the more contagious Delta variant.”

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