Botulism case definition

This document contains the case definitions for Botulism which is nationally notifiable within Australia. This definition should be used to determine whether a case should be notified.

Page last updated: 12 March 2004

Australian national notifiable diseases case definitions - Botulism


Only confirmed cases should be notified.

Confirmed case

A confirmed case requires laboratory definitive evidence AND clinical evidence.

Laboratory definitive evidence

1. Isolation of Clostridium botulinum


2. Detection of Clostridium botulinum toxin in blood or faeces.

Clinical evidence

A clinically compatible illness (e.g. diplopia, blurred vision, muscle weakness, paralysis, death).

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