Polio Outbreak Alert: Tips for Vaccine-Derived Poliovirus in French Guiana

Polio outbreak alert in French Guiana

The Pan American Health Organization ( PAHO ) has publish an epidemiologic alert see the Holocene detection of go_around vaccine-deduce poliovirus type 3 ( cVDPV3 ) in effluent sample in French Guiana. The alert urge state in the region to keep poliomyelitis inoculation degree above 95% to prevent outbreak. The detection was first report to PAHO in early August from a positive effluent sample roll_up in Cayenne on June 26. familial sequence uncover that the strain was not associate to any previously identify cVDPV3 strains.

confirm the presence of cVDPV3

foster testing at the Pasteur Institute in French Guiana found extra positive sample in different location, confirm the presence of cVDPV3 in the region. health official in French Guiana have increase surveillance and are review patient' inoculation status. PAHO recommends include all antigen use in national immunization plan for child under 5 old_age old in inoculation operations for undervaccinated or difficult-to-range communities.

On August 6, 2024, the Global Polio Lab Network report the detection of cVDPV3 in an environmental sample roll_up in Cayenne. The sequence consequence show the presence of VDPV3 with 15 mutant in the poliovirus protein 1 region. extra sample roll_up in July and August also test positive for VDPV3, confirm the circulation of the virus in French Guiana. Despite these findings, there have been no report of suspect poliomyelitis case in the region.

response Measures and Vaccination Campaign

PAHO stress the importance of achieve and keep poliomyelitis inoculation coverage above 95% in each district to minimize the hazard of outbreak. The organization also stress the need to strengthen surveillance of acute_accent flaccid paralysis and update poliovirus outbreak readiness and response plan. poliovirus inoculation is available through assorted health center in French Guiana, and a inoculation political_campaign is afoot to coincide with European Vaccination Week.

In decision, the detection of cVDPV3 in French Guiana highlight the importance of keep high inoculation coverage to prevent the spread of poliovirus and minimize the hazard of outbreak in the region. PAHO continue to proctor the situation and work with health official to implement response measure and guarantee the safety of the population.