Key result
Senecavirus A detection in Mexican swine farms shares ~98% genetic identity with US isolates.
Why the study?
Senecavirus A causes ulcerative lesions indistinguishable from other vesicular diseases and is considered an exotic virus in Mexico.
Case Report
First detection and genetic characterization of Senecavirus A in pigs from Mexico, highlighting the need for surveillance of this exotic virus.
Senecavirus A (SVA) is a member of the Senecavirus genus within the Picornaviridae family. An SVA infection causes ulcerative lesions indistinguishable from other vesicular diseases. We describe the genetic characterization of the first SVA detected in Mexico on 2 swine farms. Phylogenetic analyses demonstrated a genetically close relationship with SVA isolates from the United States detected in 2017, sharing a 98.3% to 98.4% nucleotide identity. Neverthe- less, genetic differences were found. In Mexico, SVA is considered an exotic virus. Although the introduction source could not be determined, further studies are needed to understand the molecular epidemiology of SVA detected in Mexico.
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Navarro‐López et al. (2023) conducted a case report in Senecavirus A infection. Senecavirus A was evaluated on Detection and genetic characterization of Senecavirus A. Senecavirus A was detected for the first time in Mexico on two swine farms, sharing 98.3% to 98.4% nucleotide identity with US isolates from 2017.
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