SAN FRANCISCO, Jan. 31 (UPI) -- A new vaccine for human papillomavirus could prevent thousands of cases of cervical cancer, and U.S. scientists say it might also work against anal cancer.>>> Discuss This Story
SAN FRANCISCO, Jan. 31 (UPI) -- A new vaccine for human papillomavirus could prevent thousands of cases of cervical cancer, and U.S. scientists say it might also work against anal cancer.>>> Discuss This Story