Psittacosis

**Definition:** Infection with CHLAMYDOPHILA PSITTACI (formerly Chlamydia psittaci), transmitted to humans by inhalation of dust-borne contaminated nasal secretions or excreta of infected BIRDS. This infection results in a febrile illness characterized by PNEUMONITIS and systemic manifestations.

**Tree numbers:** - C01.150.252.400.210.250.600

**Synonyms:** - Ornithosis