GP6 and infection: A study that compared GP5+/GP6+ and MY09/11 showed similar global HPV detection sensitivity, but lower sensitivity detecting multiple infections with GP5+/GP6+ [22]; however, the differences between methods were not assessed and there were problems in primer design since the PCR product in the study did not include all regions corresponding to type-specific oligonucleotide probes for GP5+/GP6+.