Giardia spp

Hillman, Alison E., Ash, Amanda L., Lymbery, Alan J. & Thompson, R. C. Andrew, 2019, Anthropozoonotic significance, risk factors and spatial distribution of Giardia spp. infections in quenda (Isoodon obesulus) in the greater Perth region, Western Australia, International Journal for Parasitology: Parasites and Wildlife 9, pp. 42-48 : 45

3.3. Geographical clustering of Giardia spp . infection risk

Quenda infected with Giardia spp . were documented throughout the greater Perth region, except for the north-west aspect ( Fig. 1 ). On Kulldorff' s spatial scan statistic, a cluster of relatively decreased Giardia spp . infection risk was identified over this area. Quenda trapped in this area had <0.001 times the odds of Giardia spp . infection than quenda trapped elsewhere in the greater Perth region (p <0.001) ( Fig. 1 ).

Figures

Fig. 1. Geographical distribution of Giardia spp. infection in Perth quenda. Quenda were mapped using the GPS position of the location at which they were trapped. GPS points are jittered, and icons for uninfected quenda are 50% transparent, to improve visualisation of the relative distribution of Giardia spp. infection. By Kulldorff's spatial scan statistic, the circle in the north-west region represents a cluster of relatively decreased Giardia spp. infection risk in Perth quenda (OR of infection <0.001, compared to quenda trapped elsewhere in Perth; p <0.001).