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Infectio
versión impresa ISSN 0123-9392
Resumen
GONZALEZ-DE SCHROEDER, María Mercedes et al. Environmental surveillance of the circulation of poliovirus in municipalities considered as transitory point of migrants in Colombia 2017-2019. Infect. [online]. 2022, vol.26, n.2, pp.107-112. Epub 12-Dic-2021. ISSN 0123-9392. https://doi.org/10.22354/in.v26i2.1008.
Objective:
To determine the circulation of poliovirus in three municipalities considered as transitory points for migrants in Colombia.
Material and Method:
Wastewater samples (n = 36) were collected from border municipalities, selected for greater transit of regular and irregular migrants, in the period between 2017-2019. The samples were concentrated and cultured following the World Health Organization (WHO) environmental surveillance algorithm for poliovirus circulation. Molecular identification was performed by polymerase chain reaction using group-specific, serotype and sabin vaccine strain primers.
Results:
The presence of non-polio Enterovirus (NPV) was detected in the environmental samples obtained and no circulation of poliovirus derived from the vaccine or wild poliovirus was found in the three evaluated municipalities; However, in two previous studies published by Gonzales et al with a similar methodology in 2005 and 2015 evaluating the wastewater of the city of Armenia-Quindío; It was possible to identify the presence of virus derived from vaccine, with negative results for the identification of wild poliovirus.
Conclusions:
The findings indicate that the wastewater monitoring system in order to determine the presence of viruses is a useful tool to carry out environmental surveillance.
Palabras clave : environmental monitoring; poliovirus; enterovirus.