Key result
Vaccine-derived poliovirus type 2 linked to acute flaccid weakness in an unvaccinated immunocompetent adult.
Case Report (n=1)
No
Detection of vaccine-derived poliovirus type 2 in an unvaccinated individual in New York highlights the ongoing risk of polio in under-vaccinated communities.
Alerts clinicians to consider poliovirus in acute flaccid weakness among the unvaccinated; leaves open the extent of community transmission.
On July 18, 2022, the New York State Department of Health (NYSDOH) notified the CDC of the detection of poliovirus type 2 in stool specimens from an unvaccinated immunocompetent young adult from Rockland County, New York, who was experiencing acute flaccid weakness. The patient initially experienced fever, neck stiffness, gastrointestinal symptoms, and limb weakness. The patient was hospitalized with possible acute flaccid myelitis (AFM). Vaccine-derived poliovirus type 2 (VDPV2) was detected in stool specimens obtained on days 11 and 12 after initial symptom onset.
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Link-Gelles et al. (2022) conducted a case report in Paralytic poliomyelitis (n=1). Poliovirus exposure was evaluated on Detection of vaccine-derived poliovirus type 2 (VDPV2). Vaccine-derived poliovirus type 2 was detected in stool specimens from an unvaccinated immunocompetent young adult presenting with acute flaccid weakness in New York.
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