Vaccine hesitancy is hardly limited to shots against Covid-19

Vaccine hesitancy is hardly limited to shots against Covid-19

Vaccine hesitancy is hardly limited to shots against Covid-19. Even the HPV vaccine, which can prevent as many as 90 percent of six potentially lethal cancers, is meeting with rising resistance from parents who must give their approval before their adolescent children can receive it.

The Food and Drug Administration licensed this lifesaving vaccine in 2006 to protect against sexually transmitted infection by HPV, the human papillomavirus. Most of us will get infected with HPV during our lifetimes, certain strains of which can lead to cancers of the cervix, vagina and vulva in women; cancers of the anus and back-of-the-throat in both women and men; and penile cancer in men. HPV can also cause genital warts.

But the vaccine only works if it’s administered before people become infected by the virus. And that often means getting vaccinated before teens and young adults have any form of sexual activity, including oral sex and skin-to-skin contact without penetration.

More than half of adolescents ages 15 to 19 report having had oral sex, and one in 10 say they have had anal sex. Unless they are vaccinated, more than 80 percent of women become infected with HPV by age 50. And while most infections clear on their own, enough persist to cause many thousands of cancers years later. There is no treatment for an HPV infection.

Yet Kalyani Sonawane, a researcher at the University of Texas Health Science Center, and her colleagues reported in March that parental intent not to vaccinate their adolescents against HPV rose from 50.4 percent in 2012 to 64 percent in 2018. Many parents resisted the vaccine despite their doctors’ recommendations, Dr. Sonawane said. Ironically, parents were most resistant — at 68.1 percent — to vaccinating girls, the very group for whom this vaccine was initially developed to prevent cervical cancer.

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