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HPV Vaccination Rates Suboptimal Within Ages 9 to 12 Years

TUESDAY, May 4, 2021 -- Despite increases since 2008, human papillomavirus (HPV) vaccination rates are suboptimal within ages 9 to 12 years, according to a study published online May 3 in Pediatrics.

Onyema Greg Chido-Amajuoyi, M.B.B.S., M.P.H., from the University of Texas and Maryland Anderson Cancer Center in Houston, and colleagues derived data from the National Immunization Survey-Teen spanning 2008 to 2018 to examine trends in HPV up-to-date (UTD) rates within ages 9 to 12 years.

The researchers identified an increase in HPV vaccination between the ages of 9 and 12 over the years, amid evidence of recent stagnation. There was an increase in initiation rates from 17.3 percent in 2008 to 62.8 percent in 2018; from 2011 to 2018, HPV UTD rates increased from 13.5 to 32.8 percent. Between 2011 and 2018, HPV-UTD rates increased by 31.9 percent among boys and by 6.6 percent among girls after the inception of gender-neutral HPV vaccination. Compared with non-Hispanic Whites, non-Hispanic Black and Hispanic individuals had higher rates of initiation and HPV-UTD for most of the study period. Vaccination initiation rates exceeded 70 percent in several states in 2018; however, HPV-UTD rates were below 50 percent in most states, excluding Rhode Island, Colorado, Hawaii, District of Columbia, and Ohio (61.6, 58.7, 53.5, 53.2, and 50 percent, respectively).

"It is important to investigate the underlying factors responsible for the disparities and stagnating rates of HPV vaccination observed in this study," the authors write.

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