(Cervarix) is more than 96 percent effective against disease associated with strains 16 and 18 ... but those are the two strains that Cervarix is specifically

(Cervarix) is more than 96 percent effective against disease associated with strains 16 and 18 ... but those are the two strains that Cervarix is specifically designed to prevent against! In other words, that's admitting to a 4% failure rate where not only did the HPV infections occur despite those subjects being vaccinated, but they proceeded to cause disease (aside from the HPV presence itself).