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