State health officials say too many Alabama teens aren't getting vaccinated for a potentially cancer-causing virus. The Alabama Department of Public Health says a national report shows not enough Alabama youth are being immunized for human papillomavirus, or HPV. The Centers for Disease Control and Prevention says HPV can lead to cancer, particularly cervical cancer in females. It also causes other problems, such as warts that spread through intimate contact. The HPV vaccine is recommended for all children at age 11 to 12. Vaccination rates are better for other diseases.