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John Grewar
John Grewar
jDATA Pty (Ltd)
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African horse sickness caused by genome reassortment and reversion to virulence of live, attenuated vaccine viruses, South Africa, 2004–2014
CT Weyer, JD Grewar, P Burger, E Rossouw, C Lourens, C Joone, ...
Emerging infectious diseases 22 (12), 2087, 2016
662016
Pathogens, disease, and the social-ecological resilience of protected areas
A De Vos, GS Cumming, DHM Cumming, JM Ament, J Baum, ...
Ecology and Society 21 (1), 2016
462016
Molecular analysis of the 2011 HPAI H5N2 outbreak in ostriches, South Africa
C Abolnik, AJ Olivier, J Grewar, S Gers, M Romito
Avian Diseases 56 (4s1), 865-879, 2012
342012
Quantifying network resilience: comparison before and after a major perturbation shows strengths and limitations of network metrics
C Moore, J Grewar, GS Cumming
Journal of Applied Ecology 53 (3), 636-645, 2016
302016
A social–ecological approach to landscape epidemiology: geographic variation and avian influenza
GS Cumming, C Abolnik, A Caron, N Gaidet, J Grewar, E Hellard, ...
Landscape Ecology 30, 963-985, 2015
302015
Development of three triplex real-time reverse transcription PCR assays for the qualitative molecular typing of the nine serotypes of African horse sickness virus
CT Weyer, C Joone, CW Lourens, MS Monyai, O Koekemoer, JD Grewar, ...
Journal of virological methods 223, 69-74, 2015
262015
Tracking socioeconomic vulnerability using network analysis: insights from an avian influenza outbreak in an ostrich production network
C Moore, GS Cumming, J Slingsby, J Grewar
PLoS One 9 (1), e86973, 2014
252014
The 2011 outbreak of African horse sickness in theAfrican horse sickness controlled area in South Africa
JD Grewar, P Koen, S Davey, D Visser, E Russouw, G Buhrmann, ...
Journal of the South African Veterinary Association 84 (1), 1-7, 2013
242013
The economic impact of Bluetongue and other orbiviruses in sub-Saharan Africa, with special reference to Southern Africa
JD Grewar
Veterinaria Italiana 52 (3-4), 375-381, 2016
182016
Quantitative risk assessment for African horse sickness in live horses exported from South Africa
ES Sergeant, JD Grewar, CT Weyer, AJ Guthrie
PLoS One 11 (3), e0151757, 2016
182016
Paratuberculosis in a domestic dog in South Africa
MA Miller, SC Davey, LS Van Helden, F Kettner, SM Weltan, R Last, ...
Journal of the South African Veterinary Association 88 (1), 1-5, 2017
172017
Development of reporting guidelines for animal health surveillance—AHSURED
A Comin, J Grewar, G Schaik, H Schwermer, J Paré, F El Allaki, JA Drewe, ...
Frontiers in Veterinary Science 6, 426, 2019
112019
Dynamics of African horse sickness virus nucleic acid and antibody in horses following immunization with a commercial polyvalent live attenuated vaccine
CT Weyer, JD Grewar, P Burger, C Joone, C Lourens, NJ MacLachlan, ...
Vaccine 35 (18), 2504-2510, 2017
102017
Assessing the potential of plains zebra to maintain African horse sickness in the Western Cape Province, South Africa
T Porphyre, JD Grewar
PLoS One 14 (10), e0222366, 2019
92019
Description of an outbreak of highly pathogenic avian influenza in domestic ostriches (Struthio camelus) in South Africa in 2011
LS Van Helden, M Sinclair, P Koen, JD Grewar
Preventive Veterinary Medicine 128, 6-11, 2016
92016
Equine encephalosis in Thoroughbred foals on a South African stud farm: research communication
JD Grewar, PN Thompson, CW Lourens, AJ Guthrie
Onderstepoort Journal of Veterinary Research 82 (1), 1-4, 2015
92015
Novel Hendra virus variant detected by sentinel surveillance of horses in Australia
EJ Annand, BA Horsburgh, K Xu, PA Reid, B Poole, MC de Kantzow, ...
Emerging infectious diseases 28 (3), 693, 2022
82022
A field investigation of an African horse sickness outbreak in the controlled area of South Africa in 2016
JD Grewar, CT Weyer, GJ Venter, LS Van Helden, P Burger, AJ Guthrie, ...
Transboundary and emerging diseases 66 (2), 743-751, 2019
82019
Annual ryegrass toxicity in thoroughbred horses in Ceres in the Western Cape Province, South Africa
JD Grewar, JG Allen, AJ Guthrie
Journal of the South African Veterinary Association 80 (4), 220-223, 2009
72009
An entry risk assessment of African horse sickness virus into the controlled area of South Africa through the legal movement of equids
JD Grewar, JL Kotze, BJ Parker, LS Van Helden, CT Weyer
Plos one 16 (5), e0252117, 2021
52021
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