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Related Experiment Videos

Pox infection in white rats.

S S Marennikova, E M Shelukhina, V A Fimina

    Laboratory Animals
    |January 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Two pox outbreaks in a white rat colony revealed pulmonary, dermal, and mixed infections. The isolated Orthopoxvirus, similar to cowpox, showed higher pathogenicity and a lower ceiling temperature in rats.

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    Area of Science:

    • Veterinary Virology
    • Infectious Diseases
    • Rodent Health

    Background:

    • Poxvirus infections can cause significant disease outbreaks in animal colonies.
    • Understanding the specific characteristics of novel viral strains is crucial for disease control.

    Purpose of the Study:

    • To describe two pox outbreaks in a white rat breeding colony.
    • To characterize the isolated Orthopoxvirus and compare it to known strains.

    Main Methods:

    • Clinical observation of affected animals.
    • Isolation and identification of the causative virus.
    • Comparative analysis with reference strains of cowpox virus.

    Main Results:

    • The outbreaks presented in pulmonary, dermal, and mixed forms.

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  • Apparently healthy rats acted as virus carriers.
  • The isolated virus, closely related to cowpox virus, exhibited a lower ceiling temperature and increased pathogenicity in white rats.

    • Conclusions:

    • The study identified a distinct Orthopoxvirus strain responsible for pox outbreaks in white rats.
    • This strain presents unique pathogenic and thermal characteristics compared to reference cowpox viruses.
    • Implications for disease management in rodent breeding colonies are highlighted.