Circulating vaccine-derived poliovirus: WHO DON cVDPV items monitored
The WHO DON items on cVDPV1 in Israel dated 20 August 2025 and cVDPV2 in Papua New Guinea dated 20 May 2025 are monitored in terms of vaccination coverage and environmental surveillance.
Radar score
62
Monitoring priority out of 100
Patojen: cVDPV
Aile: Picornaviridae
Incubation: Most infections are asymptomatic; surveillance and environmental monitoring are required because paralytic disease is rare but critical.
Transmission and severity
Operational reading
Transmission
It spreads by the fecal-oral route; circulation risk increases in areas with low vaccination coverage and weak sanitation.
Severity
A rapid vaccination response is needed because of acute flaccid paralysis, long-term disability, and the risk of international spread.
Symptom
Findings to monitor
Prevention
Priority steps
Polio asi kapsayiciligini kontrol et
AFP ve cevresel surveyansi izle
Sanitasyon onlemlerini guclendir
Cocukluk asi kayitlarini tamamla
Treatment
Clinical note
There is no specific antiviral treatment; supportive care, rehabilitation, and a rapid vaccination response are the core approach.
Geographic context
Where is it being monitored?
Monitoring tags
Operational triggers
Context-specific signal
Latest changes for this disease
Sources