Anthrax outbreaks in the humans - livestock and wildlife interface areas of Northern Tanzania: a retrospective record review 2006–2016

Table 4 Summary of wildlife species tested for B. anthracis at TAWIRI Serengeti laboratory in Serengeti National Park, 2006 to 2016

Species Screened	Samples tested	B. anthracis (Positive)^a	% of Samples testing positive
African Buffalo	28	12	67
Elephant	2	2	11
Wildebeest	5	0	0.0
Black Rhino	1	1	6
Hippo	1	0	0.0
Giraffe	1	1	6
Horse	2	0	0.0
Zebra	11	1	6
Lion	1	0	0.0
Wildlife Trophies	5	1	6
Total	57	18

^aUsing a microscopy test: Positive B. anthracis was obtained by staining a dry fixed blood smear with polychrome methylene blue. A typical morphology of the bacilli was observed to be gram positive, thick, long with square or truncated and swollen ends with characteristic ‘bamboo stick’ appearance

ISSN: 1471-2458