The FDA approves a second cervical cancer vaccine for teen girls.
Cervarix targets human papilloma virus, which can lead to cervical cancer over time if left untreated.
It could be available later this year.
Gardasil has been used in the U.S. since 2006 and raked in more than a billion dollars worldwide last year.
Both Cervarix and Gardasil protect against two strains of HPV, which account for 70-percent of cervical cancers.