Which of the following is an ectoparasitic infection?

A) scabies
B) chlamydia
C) genital human papillomavirus (HPV)
D) trichomoniasis

Ectoparasitic Infection

An infestation of the skin or outer surface of an organism by parasites such as lice or ticks.

Scabies

A skin infestation by the mite Sarcoptes scabiei, causing intense itching and rash.

Trichomoniasis

A sexually transmitted infection caused by the parasite Trichomonas vaginalis, characterized by itching, discharge, and discomfort.