Vaccine-Derived Polio — Australia
cVDPV2 — circulating vaccine-derived poliovirus type 2
- REPORTED CASES
- Not reported
- REPORTED DEATHS
- Not reported
- FIGURES AS OF
- 1 May 2026 (source date)
- HUMAN-TO-HUMAN TRANSMISSION
- Not established
- WHERE
- Perth, Western Australia (wastewater), Southern Province, Malawi (wastewater)
- STATUS
- monitoring
- REPORTED BY
- WA Health · NaTHNaC ↗
- SOURCE UPDATED
- Source updated 5 months ago
WHAT IS HAPPENING · SUMMARY OF WA HEALTH · NATHNAC
cVDPV2 in Perth wastewater (19 Feb sample). No human cases. WA Health investigation ongoing.
FOR THE GENERAL PUBLIC
The source has not published a general-public risk statement that ContagionMap holds. Follow your national public-health authority for advice where you live.
FOR TRAVELLERS
Ensure IPV up to date. No travel restrictions.
WHAT IS KNOWN
- Locations reporting cases or under monitoring: Perth, Western Australia (wastewater), Southern Province, Malawi (wastewater).
WHAT IS UNCERTAIN
- There has been no official update since 1 May 2026 (5 months ago); the current situation may differ.
- The source does not state whether person-to-person transmission has occurred.
- No case count has been reported.
CONTAGIONMAP ANALYSIS
Significance: Low. This is ContagionMap's rating of how severe the outbreak is where cases are occurring, based on the figures above and the pathogen. It is not an official WHO or government classification and is not a measure of risk to people elsewhere.
LOCATIONS (2)
| Location | Cases | Deaths |
|---|---|---|
| Perth, Western Australia (wastewater) | — | — |
| Southern Province, Malawi (wastewater) | — | — |
REPORTED FIGURES OVER TIME
Figures are as reported by the named source on the date shown. Summaries and the significance rating are ContagionMap's. This record last changed on ContagionMap 12 May 2026. Not medical advice.