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Veterinary infections

Chlamydial infections in animals: Index.

[This section originally written by Dr Peter Griffiths, Veterinary Laboratory Agency, Weybridge, United Kingdom].

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  Introduction

Chlamydia muridarum

Chlamydia suis

Chlamydophila psittaci
  Introduction
 
History
 
Epidemiology
  Clinical signs in birds
  Clinical signs in humans
  Diagnosis
  Typing of avian isolates
  Treatment and control
  Bibliography

Chlamydophila abortus
  Introduction / History
   Epidemiology
   Clinical signs in ruminants
  Clinical signs in humans
  Immune response
  Diagnosis in ruminants
  Typing in ruminants
  Treatment
  Vaccination
  Bibliography

Chlamydophila felis
 
Introduction and history
  Epidemiology
  Clinical signs in cats
  Human infections
  Diagnosis
  Typing
  Vaccination & Treatment
  Bibliography

Chlamydophila caviae
  Infection in guinea pigs
  Bibliography

Chlamydophila pecorum
  Introduction
  Epidemiology
  Clinical symptoms
  Diagnosis
  Typing
  Treatment and control
  Bibliography

Neochlamydia hartmanellae
  Ocular disease in cats (March 08)

Infection in various species

  Infection in pigs
     Bibliography
  Infection in koalas
     Bibliography
  Infection in horses
     Bibliography
  Infection in dogs
     Bibliography
  Infections in other species: vertebrata
  Infections in other species: Invertebrata
     Bibliography

[Vet infections: 50 files]

The mouse pneumonitis agent

A significant problem, and tetracycline resistance too!



Psittacosis recognized since the 1870s
Main reservoir is the GI tract
Local and systemic disease
Severe or atypical pneumonia; septicaemia
Laboratory diagnosis
8 serovars, A to H
Chlortetracycline; quarantine and surveillance



Described in Scotland in 1936
Economically significant
Systemic disease & localisation to placenta
Hazard to pregnant women
Pregnancy skews to a Th2 response
Laboratory methods
RFLP and PCR based methods
Prophylactic treatment of flocks; control measures
Live and inactivated vaccines



Isolated from cat pneumonia in 1944
Endemic among house cats world wide
Conjunctivitis and respiratory
Conjunctivitis and systemic involvment
Classic and molecular methods
Geographically heterogeneous
Tetracyclines and live vaccine



Conjunctiva is main site



A relatively new species
Widespread
Encephalitis, pneumonia, arthritis etc
Laboratory diagnosis
Subtypes differing in pathogenicity
Many cases go unrecognised



N. hartmanellae as a newly discovered cause of keratoconjunctivitis in cats



Clinical spectrum

A serious problem

Ocular, genital and respiratory infection

Comparatively little investigated

From marsupials to humans
From amoebae to molluscs


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