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. 2023 May 19:myad052.
doi: 10.1093/mmy/myad052. Online ahead of print.

Seroprevalence of sporotrichosis infection in cats living in the Buenos Aires epizootic area

Alejandro N Etchecopaz  1   2 , Carolina Rodríguez Laboccetta  2 , Gustavo Martinez  3 , Florencia Pastorino  3 , Leandro Díaz  4 , Ana C Bratanich  4   5 , Paula Badino  6 , Javier Mas  1   7 , Adriana I Toranzo  8 , Cristina E Canteros  8 , María L Cuestas  2
Affiliations

Seroprevalence of sporotrichosis infection in cats living in the Buenos Aires epizootic area

Alejandro N Etchecopaz et al. Med Mycol. .

Abstract

This study aimed to perform a seroepidemiological survey on the prevalence of sporotrichosis among cats living in the Northern area of Buenos Aires, where a four-fold increase of Sporothrix brasiliensis infections were diagnosed during the last decade. For this purpose, an in-house indirect ELISA test sensitized with S. brasiliensis crude antigens was used. The ELISA test showed 100.0% sensitivity and 95.0% specificity. Antibodies against S. brasiliensis antigens were detected in 3.7% (9/241) of healthy cats evaluated, suggesting likely exposure or infection to this fungus. This ELISA test would be a valuable screening tool for diagnosing sporotrichosis and for seroepidemiological surveys.

Keywords: Sporothrix brasiliensis; Argentina; ELISA; domestic cat (Felis catus); seroprevalence.

Plain language summary

S. brasiliensis is the primary cause of feline sporotrichosis in Argentina. The seroprevalence of sporotrichosis infection in urban localities of Buenos Aires province is reported for the first time. An ELISA test using S. brasiliensis crude antigens is also described.

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