Chlamydophila psittaci

Background

  • 6 avian serovars (A-F) and 2 mammalian isolates (WC and M56)
  • Reservoirs: birds (465 species), duck, geese, turkeys, cattle, muskrats
  • Transmission: inhalation from aerosolized urine, feather dust, feces, dried feces, eye secretions. Person-to-person transmission is possible but rare.
  • Incubation period usually 5-14 days but can be up to 1 month
  • All transmittable to humans with potential for severe disease

Clinical Features

Differential Diagnosis

Causes of Pneumonia

Bacteria

Viral

Fungal

Parasitic

Lower Respiratory Zoonotic Infections

Evaluation

Workup

  • CBC-leukopenia in 25% of cases
  • Chemistry
  • CRP
  • LFT
  • CXR-usually lower lobe consolidation
  • Sputum culture

Evaluation

  • Pneumonia is atypical - nonproductive cough, lobar or interstitial infiltrates on CXR.

Management

Disposition

  • Generally may be discharged

See Also

References