|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
|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
|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
|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 (6), 963-985, 2015
|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
|The 2011 outbreak of African horse sickness in the African horse sickness controlled area in South Africa|
JD Grewar, CT Weyer, AJ Guthrie, P Koen, S Davey, M Quan, D Visser, ...
Journal of the South African Veterinary Association 84 (1), 1-7, 2013
|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
|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
|The economic impact of bluetongue and other orbiviruses in sub-Saharan Africa, with special reference to Southern Africa|
Veterinaria Italiana 52 (3-4), 375-381, 2016
|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
|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
|Equine encephalosis in Thoroughbred foals on a South African stud farm|
JD Grewar, PN Thompson, CW Lourens, AJ Guthrie
Onderstepoort Journal of Veterinary Research 82 (1), 01-04, 2015
|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
|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
|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
|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
|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
|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
|The AHS sentinel surveillance program: 2016–2017 season report|
JD Grewar, CT Weyer, P Burger, E Russouw, B Parker, A Guthrie
Retrieved from Sentinel Surveillance Report. pdf, 2017
|Establishing post‐outbreak freedom from African horse sickness virus in South Africa's surveillance zone|
JD Grewar, ES Sergeant, CT Weyer, LS Van Helden, BJ Parker, ...
Transboundary and emerging diseases 66 (6), 2288-2296, 2019