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Article Abstract

Questionnaire data have linked contact with ruminants to the risk of esophageal squamous cell carcinoma (ESCC) in high-risk Asian populations. To better understand this observed association, we investigated exposure to two major zoonotic ruminant pathogens relative to ESCC risk. Using enzyme-linked immunosorbent assay, immunofluorescence assay, and microagglutination test assays, we measured immunoglobulin G anti- and anti- spp. antibodies in patients with ESCC ( = 177) and population-based controls ( = 177) matched by age, gender, and residence area from the Golestan case-control study in Iran. We found a similarly high seroprevalence of in ESCC cases and controls (75% and 80%, respectively), and a similarly low seroprevalence of spp. (0% and 0.6%, respectively). While documenting a high exposure to one of two zoonotic ruminant infections, this exposure failed to explain the observed association of ruminant contact and ESCC risk in this high-risk population.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7876355PMC
http://dx.doi.org/10.1089/vbz.2020.2668DOI Listing

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