STIs caused by viruses include hepatitis B, herpes, HIV, and the human papilloma virus (HPV). STIs caused by bacteria include chlamydia, gonorrhea, and syphilis.
Of these, 4 are currently curable: syphilis, gonorrhoea, chlamydia and trichomoniasis. The other 4 are viral infections which are incurable: hepatitis B, herpes simplex virus (HSV or herpes), HIV and human papillomavirus (HPV).
What are the 4 bacterial STDs?
Bacterial STDs include chlamydia, gonorrhea, and syphilis. Viral STDs include HIV, genital herpes, genital warts (HPV), and hepatitis B.