Onelkis Feliciano1, Rosabel Falcon1, Amilcar Duquesne2, Osmel Fleitas1, Tatiana Almaguer1, Oderay Gutierrez1, Armando Orellana3, Virginia Capo4, Rafael Llanes1
1Center for Research, Diagnostic and Reference, “Pedro Kouri” Tropical Medicine Institute (IPK), Havana, Cuba. 2Microbiology Department, Fructuoso Rodriguez Hospital, Havana; Cuba. 3Endoscopy Department. Primary Healthcare Institution ¨19 de abril¨, Havana, Cuba. 4Histopathological Department, IPK, Havana, Cuba.