Children 14 or Under Need Fewer HPV Vaccine Doses

New York Times 19 October 2016
Children 11 to 14 years old need only two doses of the HPV vaccine, not the previously recommended three doses, to protect against cervical cancer and other cancers caused by the human papillomavirus, the Centers for Disease Control and Prevention said on Wednesday.

But teenagers and young adults who start the vaccinations later, at ages 15 through 26, should stick with the three-dose regimen, the disease centers said.

The new advice is based on a review of studies showing that two doses in the younger group “produced an immune response similar or higher than the response in young adults (aged 16 to 26 years) who received three doses,” the C.D.C. said in a statement. The two doses should be given at least six months apart, the agency said.

The statement also noted that the two-dose schedule will make the process simpler and easier for families to complete and could increase the number of young teenagers who receive the vaccine. Despite the vaccine’s proven effectiveness, immunization rates have remained low.

HPV is a group of more than 150 related viruses, according to the disease centers. They are spread by intimate, skin-to-skin contact, and by vaginal, oral and anal intercourse. HPV is so common that nearly all sexually active people become infected at some point. In most people, the immune system destroys the virus. But in some, the infection lingers. Some viral strains cause genital warts, and others can cause cancers of the cervix, vagina, vulva, penis and back of the throat.
READ MORE: http://www.nytimes.com/2016/10/20/health/children-14-or-under-need-fewer-hpv-vaccine-doses.html?rref=collection%2Fsectioncollection%2Fhealth&action=click&contentCollection=health&region=rank&module=package&version=highlights&contentPlacement=1&pgtype=sectionfront&_r=1

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