U.S. Study Shows HPV Antibodies Remain High Up to 2 Years After a Single Dose of HPV Vaccine

National Cancer Institute sent this bulletin at 07/19/2023 11:45 AM EDT
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Cancer Prevention Science
A research blog from the NCI Division of Cancer Prevention

 

U.S. Study Shows HPV Antibodies Remain High Up to 2 Years After a Single Dose of HPV Vaccine


After receiving an initial single dose of the HPV vaccine Gardasil 9, children aged 9 to 11 had high levels of two key antibodies that protect against HPV infections and cancer for up to 2 years before receiving their delayed booster dose, according to results from a clinical trial supported by NCI.

  
A patient receiving a vaccination shot in the arm.
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