This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Conjunctiva, Subject name: Ophthalmology
Swimming pool conjunctivitis is caused by 
Select and explain. 
A. Picorna virus, B. Chlamydia trachomatis, C. Adenovirus type 8, D. Gonococcus
B: Chlamydia trachomatis
Answer: B: Chlamydia trachomatis 
Explanation: ADULT INCLUSION CONJUNCTIVITIS Etiology : Inclusion conjunctivitis is caused by serotypes D to K of Chlamydia trachomatis. The primary source of infection is urethritis in males and cervicitis in females. The transmission of infection may occur to eyes either through contaminated fingers or more commonly through contaminated water of swimming pools (hence the name swimming pool conjunctivitis). Reference :- A K KHURANA;6th edition , page:- 68