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A bill introduced in the state Senate would require Nevada children to be vaccinated against HPV in order to enroll in public or private school or daycare.

SB117 was introduced Monday but hasn't been scheduled for a hearing.

State law already requires some vaccines for enrollment, including diphtheria, tetanus, whooping cough, polio, rubella and measles. Children can be excused for religious or medical reasons.

The bill would add human papillomavirus and meningitis to the list.

HPV is the most common sexually transmitted infection in the U.S., and can lead to warts and cervical cancer. Experts recommend the three-part vaccine for boys and girls at age 11 or 12, before they become sexually active.

Only Virginia and the District of Columbia have passed laws requiring the vaccine for school enrollment. (AP)