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Volume 29, Number 1—January 2023
Dispatch

Pathologic and Immunohistochemical Evidence of Possible Francisellaceae among Aborted Ovine Fetuses, Uruguay

Federico GiannittiComments to Author , Matías A. Dorsch, Carlos O. Schild, Rubén D. Caffarena, Karen Sverlow, Aníbal G. Armién, and Franklin Riet-Correa
Author affiliations: Instituto Nacional de Investigación Agropecuaria, La Estanzuela, Colonia, Uruguay (F. Giannitti, M.A. Dorsch, C.O. Schild, R.D. Caffarena, F. Riet-Correa); University of California, Davis, California, USA (K. Sverlow, A.G. Armién); Universidade Federal da Bahia, Ondina, Salvador, Brazil (F. Riet-Correa)

Main Article

Table 2

Ancillary testing performed in formalin-fixed paraffin-embedded sections of liver of aborted ovine fetus with possible Francisellaceae infection, Uruguay*

Tests
 Results
Stains
Steiner silver No intralesional curved bacilli (i.e., Campylobacter) or spirochetes (i.e., Leptospira, Flexispira, Helicobacter) detected
Gomori’s methenamine silver No intralesional fungi detected
Gram
No intralesional bacteria detected
Immunohistochemistry
Chlamydia spp. Negative
Coxiella burnetii Negative
Salmonella spp. Negative
Listeria monocytogenes Negative
Toxoplasma gondii Negative

*All test results were validated using adequate positive/negative control tissues in each run.

Main Article

Page created: November 04, 2022
Page updated: December 22, 2022
Page reviewed: December 22, 2022
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