Articles by author - van Helden L

Article O

An entry risk assessment of African horse sickness virus into the controlled area of South Africa through the legal movement of equids

Authors: Grewar J, Kotze J, Parker B, van Helden L, Weyer C
Publication: International Symposia on Veterinary Epidemiology and Economics proceedings, Volume ISVEE 16: Proceedings of the 16th Symposium, Halifax, Canada, Issue Oral Presentations, pp 95, Aug 2022

Article O

Movement patterns of equines into the African horse sickness controlled area of South Africa

Authors: Grewar J, Koning M, Carter D, van Helden L, Loxley K, Weyer C
Publication: International Symposia on Veterinary Epidemiology and Economics proceedings, Volume ISVEE 17: Proceedings of the 17th Symposium, Sydney, Australia, Issue Epidemiologic principles and methods: Oral presentations, Nov 2024