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Full-Text Articles in Medicine and Health Sciences

Geographical And Temporal Distribution Of Human Giardiasis In Ontario, Canada., Agricola Odoi, S W. Martin, P Michel, J Holt, D Middleton, J Wilson Aug 2003

Geographical And Temporal Distribution Of Human Giardiasis In Ontario, Canada., Agricola Odoi, S W. Martin, P Michel, J Holt, D Middleton, J Wilson

Faculty Publications and Other Works -- Biomedical and Diagnostic Sciences

BACKGROUND: Giardia is the most frequently identified intestinal parasite in North America. Although information on geographical distribution of giardiasis is critical in identifying communities at high risk, little has been done in this area. Therefore, the objective of this study was to investigate the geographical and temporal distribution of human giardiasis in Ontario in order to identify possible high risk areas and seasons. Two spatial scales of analyses and two disease measures were used with a view to identifying the best of each in assessing geographical patterns of giardiasis in Ontario. Global Moran's I and Moran Local Indicators of Spatial …


Comparison Of Phenotypic Traits And Genetic Relatedness Of Salmonella Enterica Subspecies Arizonae Isolates From A Colony Of Ridgenose Rattlesnakes With Osteomyelitis, Davis A. Bemis, M A. Owston, A La Lickey, Stephen A. Kania, P Ebner, Barton W. Rohrbach Dr., Edward C. Ramsay Jan 2003

Comparison Of Phenotypic Traits And Genetic Relatedness Of Salmonella Enterica Subspecies Arizonae Isolates From A Colony Of Ridgenose Rattlesnakes With Osteomyelitis, Davis A. Bemis, M A. Owston, A La Lickey, Stephen A. Kania, P Ebner, Barton W. Rohrbach Dr., Edward C. Ramsay

Faculty Publications and Other Works -- Biomedical and Diagnostic Sciences

Reptiles are well-known sources of human Salmonella infections; however, little is known about the ability of Salmonella to cause disease in reptiles. Thirty-seven isolates of Salmonella enterica subspecies arizonae (S. arizonae) were obtained from retrospective and prospective studies of a closed colony of ridgenose rattlesnakes (Crotalus willardi) with osteomyelitis. All isolates (n=7) from bone lesions were of a single serotype, 56:z4,z23, and this serotype was found on only one occasion among 8 other serotypes isolated from 21 cloacal and intestinal samples. The remainder (n=7) of serotype 56:z4,z23 isolates were from other extraintestinal sites, including liver, ovary, blood, and testis. S. …