(HealthDay)—The safety of the 9-valent human papillomavirus vaccine (9vHPV) has been confirmed, according to two studies published online Nov. 18 in Pediatrics. Tom T. Shimabukuro, M.D., M.P.H., from the U.S. Centers for Disease Control and Prevention in Atlanta, and colleagues searched the Vaccine Adverse Event Reporting System (VAERS) for reports of adverse events (AEs) after 9vHPV...