Statutory notification

Public health management

Important information

  • Infectious agent: Listeria monocytogenes bacteria.
  • Transmission: Nearly all cases of human listeriosis result from the consumption of L. monocytogenes contaminated food or vertical transmission during pregnancy.
  • Incubation period: Up to 70 days (usually 2-3 weeks).
  • Infectious period: Horizontal person-to-person transmission generally does not occur.
  • Case exclusion: Do not exclude.
  • Contact exclusion: Do not exclude.
  • Treatment: Antibiotic treatment as recommended by the doctor for invasive cases.
  • Immunisation: None available.
  • Case follow-up: Cases followed up the Communicable Disease Control Directorate with assistance from the public health units (Healthy WA).


Notifiable disease data and reports

Produced by

Public Health