Didier Calavas

Summary

Country: France

Publications

  1. pmc Quantitative estimation of genetic risk for atypical scrapie in French sheep and potential consequences of the current breeding programme for resistance to scrapie on the risk of atypical scrapie
    Alexandre Fediaevsky
    INRA, Centre de Clermont Theix, 63122 Saint Genes Champanelle, France
    Genet Sel Evol 42:14. 2010
  2. ncbi request reprint Complementary approach of data analysis and modeling to estimate the pattern of the BSE epidemic: the example of France
    Didier Calavas
    AFSSA, Epidemiology Unit, Lyon, France
    Risk Anal 27:1141-50. 2007
  3. ncbi request reprint Past, present and future of bovine spongiform encephalopathy in France
    D Calavas
    Unité Epidémiologie, AFSSA Lyon, 31 av Tony Garnier, 69364, Lyon 07, France
    Curr Top Microbiol Immunol 284:51-63. 2004
  4. doi request reprint Assessment of the utility of routinely collected cattle census and disposal data for syndromic surveillance
    Jean Baptiste Perrin
    Unité Epidémiologie, Agence Nationale de Sécurité Sanitaire de l Alimentation, de l Environnement et du Travail ANSES, 31, Avenue Tony Garnier, F69364 Lyon cedex 07, France
    Prev Vet Med 105:244-52. 2012
  5. pmc Molecular typing of protease-resistant prion protein in transmissible spongiform encephalopathies of small ruminants, France, 2002-2009
    Johann Vulin
    Agence Nationale de Sécurité Sanitaire, Lyon, France
    Emerg Infect Dis 17:55-63. 2011
  6. doi request reprint Modelling the trend of bovine spongiform encephalopathy prevalence in France: Use of restricted cubic spline regression in age-period-cohort models to estimate the efficiency of control measures
    Carole Sala
    AFSSA Lyon, 31 avenue Tony Garnier, 69364 Lyon Cedex 7, France
    Prev Vet Med 90:90-101. 2009
  7. ncbi request reprint Case-control study on feed risk factors for BSE cases born after the feed ban in France
    Nathalie Jarrige
    Unité Epidémiologie, AFSSA Lyon, 31 avenue Tony Garnier, 69364 Lyon Cedex 07, France
    Vet Res 38:505-16. 2007
  8. pmc A case-control study on the origin of atypical scrapie in sheep, France
    Alexandre Fediaevsky
    Agence Francaise de Securite Sanitaire des Aliments, Lyon, France
    Emerg Infect Dis 15:710-8. 2009
  9. doi request reprint Discrepant epidemiological patterns between classical and atypical scrapie in sheep flocks under French TSE control measures
    Alexandre Fediaevsky
    Agence Francaise de Securite Sanitaire des Aliments, Unité Epidémiologie, Lyon Cedex 07, France
    Vet J 185:338-40. 2010
  10. ncbi request reprint Scrapie strain transmission studies in ovine PrP transgenic mice reveal dissimilar susceptibility
    Anna Bencsik
    ATNC unit, Agence Française de Sécurité Sanitaire des Aliments AFSSA, 31 avenue Tony Garnier, 69364, Lyon Cedex 07, France
    Histochem Cell Biol 127:531-9. 2007

Collaborators

Detail Information

Publications33

  1. pmc Quantitative estimation of genetic risk for atypical scrapie in French sheep and potential consequences of the current breeding programme for resistance to scrapie on the risk of atypical scrapie
    Alexandre Fediaevsky
    INRA, Centre de Clermont Theix, 63122 Saint Genes Champanelle, France
    Genet Sel Evol 42:14. 2010
    ....
  2. ncbi request reprint Complementary approach of data analysis and modeling to estimate the pattern of the BSE epidemic: the example of France
    Didier Calavas
    AFSSA, Epidemiology Unit, Lyon, France
    Risk Anal 27:1141-50. 2007
    ..We have waited up to June 2007 to know if less than 100 infections occurred among French cattle during the 6 months following January 2001...
  3. ncbi request reprint Past, present and future of bovine spongiform encephalopathy in France
    D Calavas
    Unité Epidémiologie, AFSSA Lyon, 31 av Tony Garnier, 69364, Lyon 07, France
    Curr Top Microbiol Immunol 284:51-63. 2004
    ..The trends in the number of BSE cases detected in France must be analyzed in the light of both the detection system and the control measures, as well as their changes over time...
  4. doi request reprint Assessment of the utility of routinely collected cattle census and disposal data for syndromic surveillance
    Jean Baptiste Perrin
    Unité Epidémiologie, Agence Nationale de Sécurité Sanitaire de l Alimentation, de l Environnement et du Travail ANSES, 31, Avenue Tony Garnier, F69364 Lyon cedex 07, France
    Prev Vet Med 105:244-52. 2012
    ....
  5. pmc Molecular typing of protease-resistant prion protein in transmissible spongiform encephalopathies of small ruminants, France, 2002-2009
    Johann Vulin
    Agence Nationale de Sécurité Sanitaire, Lyon, France
    Emerg Infect Dis 17:55-63. 2011
    ....
  6. doi request reprint Modelling the trend of bovine spongiform encephalopathy prevalence in France: Use of restricted cubic spline regression in age-period-cohort models to estimate the efficiency of control measures
    Carole Sala
    AFSSA Lyon, 31 avenue Tony Garnier, 69364 Lyon Cedex 7, France
    Prev Vet Med 90:90-101. 2009
    ....
  7. ncbi request reprint Case-control study on feed risk factors for BSE cases born after the feed ban in France
    Nathalie Jarrige
    Unité Epidémiologie, AFSSA Lyon, 31 avenue Tony Garnier, 69364 Lyon Cedex 07, France
    Vet Res 38:505-16. 2007
    ..8 (1.1; 3.0). The use of milk replacers, which often incorporates animal fats, was also at risk with an odds ratio of 1.8 (1.0; 3.1)...
  8. pmc A case-control study on the origin of atypical scrapie in sheep, France
    Alexandre Fediaevsky
    Agence Francaise de Securite Sanitaire des Aliments, Lyon, France
    Emerg Infect Dis 15:710-8. 2009
    ..We did not find any risk factor associated with an infectious origin of scrapie. Atypical scrapie could be a spontaneous disease influenced by genetic and metabolic factors...
  9. doi request reprint Discrepant epidemiological patterns between classical and atypical scrapie in sheep flocks under French TSE control measures
    Alexandre Fediaevsky
    Agence Francaise de Securite Sanitaire des Aliments, Unité Epidémiologie, Lyon Cedex 07, France
    Vet J 185:338-40. 2010
    ....
  10. ncbi request reprint Scrapie strain transmission studies in ovine PrP transgenic mice reveal dissimilar susceptibility
    Anna Bencsik
    ATNC unit, Agence Française de Sécurité Sanitaire des Aliments AFSSA, 31 avenue Tony Garnier, 69364, Lyon Cedex 07, France
    Histochem Cell Biol 127:531-9. 2007
    ....
  11. pmc Atypical bovine spongiform encephalopathies, France, 2001-2007
    Anne Gaelle Biacabe
    Agence Francaise de Securite Sanitaire des Aliments, Lyon, France
    Emerg Infect Dis 14:298-300. 2008
    ..6 million were >8 years of age. Our retrospective Western blot study of all 645 confirmed cases found that 7 were H-type and 6 were L-type...
  12. pmc Defining syndromes using cattle meat inspection data for syndromic surveillance purposes: a statistical approach with the 2005-2010 data from ten French slaughterhouses
    Céline Dupuy
    Unité Epidémiologie, Agence Nationale de Sécurité Sanitaire de l Alimentation, de l Environnement et du Travail ANSES, 31 avenue Tony Garnier, F69364, Lyon, Cedex 07, France
    BMC Vet Res 9:88. 2013
    ..Multiple factor analysis (MFA) in combination with clustering methods was performed using both health-related data and demographic data...
  13. pmc Individual factors associated with L- and H-type Bovine Spongiform encephalopathy in France
    Carole Sala
    Anses Lyon, 31 avenue Tony Garnier, Lyon cedex 7, 69364, France
    BMC Vet Res 8:74. 2012
    ..L-BSE and H-BSE were studied separately as both the biochemical properties of their pathological prion protein and their features differ in animal models...
  14. pmc Sheep feed and scrapie, France
    Sandrine Philippe
    Agence Francaise de Securite Sanitaire des Aliments, Lyon, France
    Emerg Infect Dis 11:1274-9. 2005
    ..A notable effect of using proprietary concentrates and milk replacers was observed. The risk was heterogeneous among feed factories. Contacts between flocks were not shown to be a risk factor...
  15. doi request reprint Using the National Cattle Register to estimate the excess mortality during an epidemic: application to an outbreak of Bluetongue serotype 8
    Jean Baptiste Perrin
    Epidemiology Unit, French Agency for Food, Environmental and Occupational Health and Safety Anses, 31, Avenue Tony Garnier, F69364 Lyon cedex 07, France
    Epidemics 2:207-14. 2010
    ..This study was conducted retrospectively but considering the promptness of the notification system, the method could be used to monitor the evolution of epidemics in near-real time...
  16. pmc Assessing the mandatory bovine abortion notification system in France using unilist capture-recapture approach
    Anne Bronner
    Agence Nationale de Sécurité Sanitaire de l Alimentation, de l Environnement et du Travail ANSES, Unité Epidémiologie du Laboratoire de Lyon, Lyon, France
    PLoS ONE 8:e63246. 2013
    ..Our framework combining hurdle and ZIP models may also be applied to estimate the completeness of other clinical surveillance systems...
  17. doi request reprint Inventory of veterinary syndromic surveillance initiatives in Europe (Triple-S project): current situation and perspectives
    Céline Dupuy
    Unité Epidémiologie, Agence Nationale de Sécurité Sanitaire de l Alimentation, de l Environnement et du Travail ANSES, 31, Avenue Tony Garnier, F69364 Lyon cedex 07, France
    Prev Vet Med 111:220-9. 2013
    ..In the same way that SyS is complementary to traditional surveillance, synergies between human and animal health SyS could be an added value, most notably to enhance timeliness, sensitivity and help interpreting non-specific signals...
  18. doi request reprint Distribution and antimicrobial resistance of clinical and subclinical mastitis pathogens in dairy cows in Rhône-Alpes, France
    Marie Anne Botrel
    Agence Francaise de Securite Sanitaire des Aliments, Lyon, France
    Foodborne Pathog Dis 7:479-87. 2010
    ..However, it also confirms the fact that attention must be maintained to avoid any emergence of such resistant bacteria...
  19. ncbi request reprint Automatic quantitation of vacuolar lesions in the brain of mice infected with transmissible spongiform encephalopathies
    Anna Bencsik
    Agence Française de Sécurité Sanitaire des Aliments AFSSA, Unité ATNC, 31 avenue Tony Garnier, 69364 Lyon Cedex 07, France
    J Virol Methods 124:197-202. 2005
    ..The method of automatic recognition and quantitation of vacuolar lesions described in this paper represent a useful tool for large-scale analysis of spongiform lesions induced by different TSE isolates transmitted to mice...
  20. pmc Comparison of strategies for substantiating freedom from scrapie in a sheep flock
    Benoit Durand
    Unite d Epidemiologie, AFSSA LERPAZ, 23 Avenue du Général de Gaulle, 94706 Maisons Alfort, France
    BMC Vet Res 5:16. 2009
    ..The goal of this study was to propose, evaluate and compare several qualification strategies for demonstrating a flock is free from scrapie...
  21. pmc A descriptive study of the prevalence of atypical and classical scrapie in sheep in 20 European countries
    Alexandre Fediaevsky
    AFSSA Lyon, Unité Epidémiologie, 31 avenue Tony Garnier, 69364 Lyon Cedex 07, France
    BMC Vet Res 4:19. 2008
    ....
  22. pmc Molecular analysis of the protease-resistant prion protein in scrapie and bovine spongiform encephalopathy transmitted to ovine transgenic and wild-type mice
    Thierry Baron
    Unité Agents Transmissibles Non Conventionnels, AFSSA Lyon, 31 avenue Tony Garnier, 69364 Lyon Cedex 07, France
    J Virol 78:6243-51. 2004
    ....
  23. ncbi request reprint Estimating the trend of the French BSE epidemic over six birth cohorts through the analysis of abattoir screening in 2001 and 2002
    Claude La Bonnardière
    Unité d Epidémiologie Animale, INRA Theix, 63122 Saint Genes Champanelle, France Unité de Virologie et Immunologie Moléculaires, INRA, Domaine de Vilvert, 78352 Jouy en Josas Cedex, France
    Vet Res 35:299-308. 2004
    ....
  24. ncbi request reprint Descriptive spatial analysis of BSE in western France
    David Abrial
    Unité d Epidémiologie Animale, INRA Theix, 63122 Saint Genes Champanelle, France
    Vet Res 34:749-60. 2003
    ..The results proved that the risk of BSE is linked to the geographical location in the area of the study...
  25. ncbi request reprint Temporal and spatial patterns of the clinical surveillance of BSE in France, analysed from January 1991 to May 2002 through a vigilance index
    Marie Cuenot
    Unité d Epidémiologie Animale, INRA Theix, 63122 Saint Genes Champanelle, France
    Vet Res 34:261-72. 2003
    ..So the apparent trend in the BSE epidemic during this period as well as the differences in the spatial incidence of BSE have to be analysed with caution...
  26. ncbi request reprint How the surveillance system may bias the results of analytical epidemiological studies on BSE: prevalence among dairy versus beef suckler cattle breeds in France
    Christian Ducrot
    Unité d Epidémiologie Animale, INRA Theix, 63122 Saint Genes Champanelle, France
    Vet Res 34:185-92. 2003
    ..This confirmed British findings but points out to the fact that considering either MRS or targeted surveillance data alone may possibly create biases in epidemiological studies on BSE...
  27. doi request reprint Review on the epidemiology and dynamics of BSE epidemics
    Christian Ducrot
    INRA Unité d Epidémiologie Animale, 63122 Saint Genes Champanelle, France
    Vet Res 39:15. 2008
    ..The origin and possibility of natural transmission is unknown...
  28. ncbi request reprint Spatial heterogeneity of the risk of BSE in France following the ban of meat and bone meal in cattle feed
    David Abrial
    Unité d Epidémiologie Animale, INRA, Centre de Recherche de Clermont Ferrand Theix, 63122 Saint Genes Champanelle, France
    Prev Vet Med 67:69-82. 2005
    ..The BSE cases were not randomly distributed. Furthermore, the areas at risk for the 'super-NAIF' matched part of the areas at risk for the 'NAIF' cases-which suggests that it might be a common source of contamination...
  29. ncbi request reprint Poultry, pig and the risk of BSE following the feed ban in France--a spatial analysis
    David Abrial
    Unité d Epidémiologie Animale, INRA Theix, 63122 Saint Genes Champanelle, France
    Vet Res 36:615-28. 2005
    ..Further studies are needed to more precisely explore how the cross-contamination happened...
  30. ncbi request reprint A spatio-temporal analysis of BSE cases born before and after the reinforced feed ban in France
    Christian Ducrot
    Unité d Epidémiologie Animale, INRA Theix, 63122 Saint Genes Champanelle, France
    Vet Res 36:839-53. 2005
    ....
  31. ncbi request reprint PrP(d) accumulation in organs of ARQ/ARQ sheep experimentally infected with BSE by peripheral routes
    Stephane Lezmi
    Agence Française de Sécurité Sanitaire des Aliments AFSSA, Lyon Cedex 07, France
    Acta Biochim Pol 53:399-405. 2006
    ..Remarkably, PrP(d) was also detected in some muscle types as well as in all peripheral nerves that had not been reported previously thus revealing a widespread distribution of BSE-associated PrP(d) in sheep tissues...
  32. ncbi request reprint Bovine spongiform encephalopathy and spatial analysis of the feed industry
    Mathilde Paul
    Institut National de la Recherche Agronomique, Saint Genes Champanelle, France
    Emerg Infect Dis 13:867-71. 2007
    ..Only use of MBM was spatially linked to risk for BSE, which highlights cross-contamination as the most probable source of infection after the feed ban...
  33. ncbi request reprint Multiplicative genetic effects in scrapie disease susceptibility
    Marc Antoine Dubois
    SPEC, CEN Saclay, Orme des Merisiers, 91191 Gif sur Yvette, France
    C R Biol 325:565-70. 2002
    ..This first well-documented evidence of a multiplicative property of genetic risk factors could give hints on the underlying mechanisms of prion-induced neurodegenerative diseases...