Which of the following sexually transmitted infections are completely curable?

Among the options provided, syphilis and trichomoniasis are the sexually transmitted infections (STIs) that can be completely cured with appropriate treatment. It is important to note that timely diagnosis and treatment are crucial for a successful cure.

(1) HIV (human immunodefi ciency virus) infection is a chronic viral infection that currently has no cure. While
treatment options are available to manage HIV and improve quality of life, it is not completely curable at present. Trichomoniasis, on the other hand, is a curable STI.

(3) A complete cure is not possible for hepatitis B and genital herpes. 

(4) Genital herpes (a viral infection caused by HSV) and genital warts (caused by the human papillomavirus) are not completely curable.