recontamination via the air using Monte Carlo simulations', Int. J. Food
Microbiol., 87 (1-2),1±15.
EVERS,E. G., FELS,H. J., NAUTA, M. H., SCHIJVEN,J. F.andHAVELAAR,A. H.(2004),The relative
importanceofCampylobactertransmissionroutes basedon humanexposure
estimates, Bilthoven,the Netherlands,RIVM.
GOMBAS,D. E., CHEN,Y. H., CLAVERO, R. S.andSCOTT,V. N.(2003),SurveyofListeria monocytogenesin ready-to-eatfoods',J. FoodProtect., 66 (4), 559±569. HALD,T., VOSE,D.andWEGENER,H. C.(2002),Quantifyingthe contributionof animal-food
sourcesto humansalmonellosisin Denmarkin 1999',inFoodbornezoonoses:a
co-ordinatedfoodchainapproach, Bilthoven,the Netherlands,83±86.
HHS/USDA(2003),Quantitativeassessmentof relativerisk to publichealthfromfoodborne
Listeriamonocytogenesamongselectedcategoriesof ready-to-eatfoods, http://
http://www.foodsafety.gov/~dms/lmr2-toc.html
ICMSF (2002) Microorganisms in foods± microbiological testing in food safety
management, NewYork,USA,KluwerAcademic/PlenumPublishers.
KUSUMANINGRUM,H. D., VANASSELT, E. D., BEUMER,R. R.andZWIETERING, M. H.(2004),A quantitativeanalysisof cross-contaminationofSalmonellaandCampylobactervia domestickitchensurfaces',J. FoodProtect., 67 , 1892±1903. MEAD,P. S., SLUTSKER, L., DIETZ,V., MCGAIG,L. F., BRESEE, J. S., SHAPIRO,C., GRIFFIN,P. M.and TAUXE,R. V.(1999),Food-relatedillnessand deathin the UnitedStates',Emerg.
Infect.Dis., 5 (5), 607±625.
ROCOURT, J., MOY,G., VIERK,K.andSCHLUNDT,J.(2003),Presentstateof foodbornedisease
in OECDcountries, Geneva,Switzerland,WorldHealthOrganization.
VAILLANT, V., DE VALK,H.andBARON,E.(2004),Morbidite¬et mortalite¬± duesaux
maladiesinfectieusesd'originealimentaire en France, Saint-Maurice,France,
Institutde VeilleSanitaire.http://www.invs.sante.fr
WHYTE,W. (1986),Sterilityassuranceandmodelsfor assessingairbornebacterial contamination',J. Parent.Sci. Techn., 40 (5), 188±197. ZWIETERING, M. H.(2002),Quantificationof microbialqualityand safetyin minimally
processedfoods',Int. DairyJ., 12 (1±3),263±271.
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