Abstract
1 National Centre for Foreign Animal Disease, 1015 Arlington Street, Winnipeg MB, Canada
2 University of Manitoba, Department of Immunology, Basic Medical Sciences Building, 730 William Avenue, Winnipeg MB, Canada
3 CSIRO Livestock Industries, Australian Animal Health Laboratory, Private Bag 24, Geelong, Victoria 3220, Australia
4 Department of Animal Health of Vietnam, Regional Animal Health Centre, 124 Pham The Hien Street, District 8, Ho Chi Minh City, Vietnam