What are the transmission routes of AIDS and syphilis?

AIDS and syphilis are infectious diseases that are harmful to the human body. The main transmission routes of AIDS are mother-to-child transmission, sexual transmission and blood transmission. The main transmission route of syphilis is sexual transmission, and a few will be infected through blood, kissing, contact with contaminated clothing, etc. Early treatment of syphilis can be cured. At present, there is no cure for AIDS.