This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Chlamydial infection is a/w - 
Select and explain. 
A. Coronary hea disease, B. LGV, C. Ophthalmia neonatorum, D. All
D: All
Answer: D: All 
Explanation: Ans. is 'a' i.e., Corononary hea disease; 'b' i.e., LGV; 'c' i.e., Ophthalmia Neonatorum . "Epidemiological studies have demonstrated an association between serologic evidence of C. pneumoniae infection and atherosclerotic disease of the coronary and other aeries." . "Occasiaonal patients develop endocarditis and C. psittaci infection should be considered in cases of culture-negative endocarditis." . Pneumonia caused by C. pneumoniae resembles the primary atypical pneumonia of M. pneumoniae. . C. trachomatis types D to K can cause ophthalmia neonatorum. . C. trachomatis (type LI; L2, L3) causes L.G.V.