Article
Re-emerging fowlpox: Evaluation of isolates from vaccinated flocks
1 Oct 2000
Abstract excerpt
Vaccines of fowlpox or pigeonpox virus origin have been routinely used for more than half a century to prevent fowlpox in commercial poultry in areas where the disease is endemic. However, in recent years, outbreaks of fowlpox have occurred in previously vaccinated flocks. One possible explanation for this problem is the emergence of variant strains of fowlpox virus (FPV). A second, not mutually exclusive,...
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