Obtaining statistically sound numbers of sera from Hendra virus (HeV)-infected horses is problematic because affected individuals usually die or are euthanized before developing a serum antibody response. As a consequence, test validation becomes a challenge. Our approach is an extension of OIE principles for provisional recognition and included 7 validation panels tested across multiple laboratories that provided estimates for test performance characteristics.
View Article and Find Full Text PDFRabies continues to pose a significant threat to human and animal health in regions of Indonesia. Indonesia has an extensive network of veterinary diagnostic laboratories and the 8 National laboratories are equipped to undertake diagnostic testing for rabies using the commercially-procured direct fluorescent antibody test (FAT), which is considered the reference (gold standard) test. However, many of the Indonesian Provincial diagnostic laboratories do not have a fluorescence microscope required to undertake the FAT.
View Article and Find Full Text PDFBackground: Variant high pathogenicity avian influenza (HPAI) H5 viruses have recently emerged as a result of reassortment of the H5 haemagglutinin (HA) gene with different neuraminidase (NA) genes, including NA1, NA2, NA5, NA6 and NA8. These viruses form a newly proposed HA clade 2.3.
View Article and Find Full Text PDFIn March 2014, avian influenza in poultry in Laos was caused by an emergent influenza A(H5N6) virus. Genetic analysis indicated that the virus had originated from reassortment of influenza A(H5N1) clade 2.3.
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