OK, this is part of what I have found, @ What a condom is effective against:


HIV Highly effective protection
Gonorrhea Medium to high effectiveness
Chlamydia Medium to high effectiveness
Trichomoniasis Medium to high effectiveness
Herpes Low effectiveness
Syphilis Low effectiveness
Chancroid Low effectiveness
HPV
Human Papillomavirus
(warts) Low effectiveness, but does reduce risk of cervical
cancer associated with HPV