<prompt> Chlamydial infection is aw -Coronary hea diseaseLGVOphthalmia neonatorumAll  <response>: 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. 