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PSITTACOSIS : IV. EXPERIMENTALLY INDUCED INFECTIONS IN MONKEYS
1Hospital of The Rockefeller Institute for Medical Research.
The Journal of Experimental Medicine
|October 30, 2009
Summary
Psittacosis virus causes pneumonia in monkeys when inhaled, similar to human infections. Intracerebral inoculation leads to meningo-encephalitis, suggesting the upper respiratory tract is the virus's entry point in humans.
Area of Science:
- Veterinary Pathology
- Virology
- Infectious Diseases
Background:
- Psittacosis is an infectious disease caused by Chlamydia psittaci.
- Understanding the pathogenesis of psittacosis in animal models is crucial for human health.
Purpose of the Study:
- To investigate the effects of psittacosis virus inoculation in monkeys.
- To determine the pathological outcomes of different inoculation routes.
Main Methods:
- Monkeys were inoculated intratracheally, intranasally, or intracerebrally with the psittacosis virus.
- Pathological examination was conducted to assess the induced lesions.
Main Results:
- Intratracheal or intranasal inoculation resulted in pneumonia comparable to human psittacosis.
- Intracerebral inoculation induced meningo-encephalitis with a notable mononuclear reaction in the meninges.
Conclusions:
- Monkeys serve as a relevant model for studying psittacosis pneumonia.
- The upper respiratory tract is likely the primary route of infection for psittacosis in humans.
