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Antigenic variants of rabies virus
Comparative Immunology, Microbiology and Infectious Diseases
|January 1, 1982
Summary
This study identified three distinct street virus groups in Canada based on nucleocapsid patterns. However, a Pitmann-Moore vaccine showed similar protection across four tested strains, indicating limited vaccine efficacy variation.
Area of Science:
- Virology
- Immunology
Background:
- Street viruses pose a public health concern.
- Understanding viral diversity is crucial for vaccine development.
Purpose of the Study:
- To classify Canadian street virus isolates.
- To assess vaccine-induced protection against different viral strains.
Main Methods:
- Analysis of 19 street virus isolates from Canada.
- Use of anti-nucleocapsid and anti-glycoprotein monoclonal antibodies.
- Cross-protection tests with a Pitmann-Moore vaccine.
Main Results:
- Identified three distinct groups of viruses based on nucleocapsid patterns.
- No significant difference in protection observed with the Pitmann-Moore vaccine among four strains.
Conclusions:
- Canadian street virus isolates exhibit distinct nucleocapsid patterns.
- The Pitmann-Moore vaccine demonstrated comparable efficacy across the tested strains, suggesting broad but potentially limited effectiveness.