<prompt> Trachoma is caused by which of the following serotypes of chlamydiaD - KL1- L3L5 - L7A, B,Ba, C  <response>: CHLAMYDIAE TRACHOMATIS causative agent of endemic blinding trachoma which is a chronic keratoconjunctivitis characterised by follicular hyperophy,papillary hyperplasia,pannus formation and in late stages,cicatrisation caused by A,B,Ba,C, serotypes of C.trachomatis whereas serotypesD_K cause other diseases like inclusion conjunctivitis,genital chlamydiasis,infant pneumonia Ref:Ananthanarayan and panikers microbiology 10th edition 