Which Statement About Sexually Transmitted Infections Is Wrong

Multiple Choice

Which statement about sexually transmitted infections is wrong?

A) STIs are unique to humans.
B) The most common STI in the United States is genital warts.
C) An individual with one STI can obtain another STI.
D) STIs spread through vaginal, oral, and anal sex.
E) Many STIs do not show initial symptoms, especially in men.