Genomic characterisation and traceability analysis of a Clostridium botulinum strain involved in a food poisoning incident.

Objective: To identify the source of Clostridium botulinum (C. botulinum) involved in a food poisoning case in Kunming and analyze its molecular characteristics.

Results: This study examined samples from a clustered food poisoning incident, including pickled pig liver consumed by three patients, hospital vomit from a deceased patient, and household waste mixed with vomit.