Merck (MRK +0.5%) defends its Gardasil vaccine, which protects women against human...

|About: Merck & Co Inc. (MRK)|By:, SA News Editor

Merck (MRK +0.5%) defends its Gardasil vaccine, which protects women against human papillomavirus, a leading cause of cervical cancer. The drug was at the heart of an attack on Texas Governor Rick Perry during the Republican debates. Perry was criticized for a 2007 executive order requiring sixth-grade girls in Texas to get the vaccine.