AI viruses belong to the Orthomyxoviridae family, with low and high pathogenicity variants. Highly pathogenic agents have an Intravenous Pathogenicity Index (IPIV) equal to or greater than 1.2. Both low and highly pathogenic viruses are reportable and must be reported to the International Office of Epizootics (OIE) / World Animal Health Organization (OMSA) based in Paris, France (Control and prevention of Avian Influenza, a Latin American perspective)


































