List of Chlamydial Diseases
| Disease | Causative Agent | Group | Organs Affected | Transmission |
| Chlamydial Urethritis | Chlamydia trachomatis | Chlamydia 0.25 µm Diameter | Urethra, Cervix,Fallopian Tubes,Epididymis, Eyes,Pharynx | Sexual |
| Lymphogranuloma Venereum | C.trachomatis | Chlamydia 0.25 µm Diameter | Inguinal, Lymph Nodes, Rectum | Sexual |
| Psittacosis | C.psittaci | Chlamydia 0.25 µm Diameter | Lungs | Air |