Table 1.

Summary of avian botulism cases and Australian regions of origin.

Bird category/State of origin	Median of mortalities*	Cases (n)	Median of birds submitted/case*	Total no. of samples†
Poultry
WA	8 (5–50)	7	3 (2–26)	61 (6, 3–31)
NSW	13 (1–24)	2	1 (1–1)	2 (1, 1–1)
Wild birds
WA	8 (1–3,000)	61	2 (1–19)	408 (4, 1–69)
NSW	5 (1–10)	17	2 (1–10)	93 (3, 1–23)
VIC	5 (1–250)	11	2 (1–6)	51 (3, 2–10)
QLD	8 (5–10)	5	2 (1–10)	22 (3, 2–10)

NSW = New South Wales; QLD = Queensland; VIC = Victoria; WA = Western Australia.

^*Ranges in parentheses.

^†Parentheses contain median number of samples per case, followed by range of sample numbers per case.