Now showing items 21-36 of 36

    • Human Brucella melitensis infections in southern Vietnam 

      Campbell, J.I.; Lan, Nguyen Thi; Phuong, P.M.; Chau, L.B.; Pham, Trung Duc; Guzman-Verri, Caterina; Ruiz-Villalobos, Nazareth; Minh, T.P.T.; Muñoz Bruque, Álvaro; Moreno, Edgardo; Thwaites, G.E.; Rabaa, M.A.; Chau, N.V.V.; Bake, S. (European Society of Clinical Microbiology and Infectious Diseases, 2017-06-29)
      Brucellosis is a collective term for infections caused by small Gram-negative coccobacilli belonging to genus Brucella. This genus incorporates the well-described animal pathogens Brucella melitensis, Brucella abortus, ...
    • Molecular characterization of Trypanosoma cruzi and infection rate of the vector Triatoma dimidiate in Costa Rica 

      Zeledón, Rodrigo; Zuriaga, María Ángeles; Blandón-Naranjo, Melissa; Valerio-Campos, Idalia; Salas, Ruth; BARGUES, MARIA DOLORES (Universidad Nacional, Costa Rica, 2012-06-30)
      According to the genetic characterization by the analysis of the miniexon gene, strains of Trypanosoma cruzi can be classified into six discrete typing units (DTUs), and the DTU 1 into four distinct genotypes associated ...
    • Nasal rhinosporidiosis in a mule 

      Berrocal, Alexis; López, Alfonso (Canadian Veterinary Medical Association, 2007-03)
      A mass was removed from the nostril of a mule that exhibited unilateral epistaxis and nasal discharge. Impression smears revealed oval structures consistent with spores of Rhinosporidium seeberi. Microscopically, the mass ...
    • New insights into Neutrophil Extracellular Trap (NETs) formation from porcine neutrophils in response to bacterial infections 

      Bonilla, Marta C.; Quiros, Oriana N.; Wendt, Michael; Hennig-Pauka, Isabel; Mörgelin, Matthias; von Köckritz-Blickwede, Maren; de Buhr, Nicole (MDPI, 2022-08-11)
      Actinobacillus pleuropneumoniae (A.pp, Gram negative) and Streptococcus (S.) suis (Gram positive) can cause severe diseases in pigs. During infection, neutrophils infiltrate to counteract these pathogens with phagocytosis ...
    • Paratuberculosis 

      Dolz, Gaby (Camara Nacional de Productores de Leche, 2016-09-29)
      La paratuberculosis o enfermedad de Johne es una enfermedad incurable de los rumiantes, ocasionada por una bacteria denominada Mycobacterium aviun subespecie paratuberculosis o MAP. Esta bacteria ocasiona una enteritis ...
    • Prueba de torniquete como predictiva de sangrado espontáneo en casos de dengue clásico por den-2 

      Pacheco Acuña, Raúl; ROMERO-ZUÑIGA, JUAN JOSÉ (Asociación Costarricense de Salud Pública, 2008)
      Objetivo: Determinar el valor de la prueba de torniquete como predictiva de sangrado espontáneo en pacientes afectados por dengue clásico en un brote por el virus DEN-2. Materiales y métodos: Se realizó un estudio ...
    • Sequence analysis of the hypervariable region in hmtp210 of Avibacterium paragallinarum 

      Araya Hidalgo, Edward; Gutiérrez Jimenez, Cristina; Chaves Ramirez, Monica; Suárez-Esquivel, Marcela; Guzman-Verri, Caterina; BARQUERO-CALVO, ELIAS (The Japanese Society of Veterinary Science, 2017-05-27)
      The hmtp210 gene of Avibacterium paragallinarum, the causative agent of infectious coryza, encodes an outer-membrane hemagglutinin (HA) that plays an essential role in pathogenicity. A hypervariable region within this ...
    • Serological detection of viral infections in captive wild cats from Costa Rica 

      Blanco-Peña, Kinndle; Peña, Roberto; Hernández, Carmen; Jiménez-Soto, Mauricio; Nazario Araya, Luis; Romero-Zúñiga, Juan José; Dolz, Gaby (Veterinary Medicine International, 2011-02-08)
      Serum samples from a total of 44 wildcats, 28 margays (Leopardus wiedii), 10 ocelots (Leopardus pardalis), four jaguaroundis (Herpailurus yaguaroundi), one oncilla (Leopardus tigrina), and one jaguar (Panthera onca) were ...
    • Seroprevalence and prevalence of Babesia vogeli in clinically healthy dogs and their ticks in Costa Rica 

      Dolz, Gaby; García‑Quesada, Andrea; Jiménez Rocha, Ana Eugenia; Romero-Zúñiga, Juan José (BMC, 2021-09-14)
      Canine babesiosis is a disease caused by a parasite of the genus Babesia which destroys red blood cells. Previous studies have shown the presence of Babesia vogeli in rural areas in Costa Rica using molecular techniques. ...
    • Seroprevalence of Viral Infections in Domestic Cats in Costa Rica 

      Dolz, Gaby; Jiménez Sánchez, Carlos; Cortéz Campos, María del Rocio; Prendas Gamboa, Jorge; Blanco-Peña, Kinndle (Universidad Nacional, Costa Rica, 2018-12-13)
      A cross-sectional survey of a convenient sample of domestic cats from Costa Rica’s greater metropolitan area was carried out to determine the prevalence of antibodies against feline herpesvirus type 1 (FHV-1), feline ...
    • Serosurveillance of infectious agents in equines of the Central Valley of Costa Rica 

      Jiménez, D.; ROMERO-ZUÑIGA, JUAN JOSÉ; Dolz, Gaby (Open Veterinary Journal, 2014-11-16)
      Blood samples from 181 equines from the Central Valley of Costa Rica were collected in the year 2012 to determine the presence of antibodies against selected infectious agents in horses and to determine the risk factors ...
    • Serosurvey in two rural areas evidences recent and previously undetected WNV and SLEV circulation in Costa Rica 

      Piche-Ovares, María Marta; Romero-Vega, L. Mario; Vargas-González, Diana; Barrantes-Murillo, Daniel; Soto-Garita, Claudio; Francisco-Llamas, Jennifer; Alfaro-Alarcón, Alejandro; Jiménez, Carlos; Corrales-Aguilar, Eugenia (medRxiv preprint, 2021-09-13)
      West Nile virus (WNV) and Saint Louis encephalitis virus (SLEV) share similar virus transmission cycles that involve birds as amplifiers and mosquitoes as vectors. Mammals, including humans, are dead-end-hosts that may be ...
    • Short Communication:First report of the trematode Platynosomum illiciens (Trematoda: Digenea) in Felis catus in Costa Rica, Central America 

      Castillo Azofeifa, Brandon; Zamora Segura, Valeria; Quirós Padilla, Francinie; Vindas van der Wielen, Emilia; Valerio Solís, Francisco; Iwaki, Takashi; Hiromu, Sugiyama; Morales Acuña, Juan Alberto; Jiménez Rocha, Ana Eugenia (Universidad Nacional, Costa Rica, 2021-04-12)
      This paper is the first description of the trematode P. illiciens found in a domestic feline (Felis catus) in Costa Rica, detected as an incidental finding at necropsy. The cat’s carcass was accepted for a necropsy in the ...
    • Understanding Ehrlichia canis infections in dogs of Costa Rica: hematological findings and indicative clinical signs 

      Dolz, Gaby; Barrantes-González, Alexander V.; Jiménez Rocha, Ana Eugenia; Romero-Zúñiga, Juan José (Universidad Nacional, Costa Rica, 2016-11-30)
      Background: A cross-sectional study combining different serological and molecular techniques for the detection of Ehrlichia canis in dogs was carried out to determine hemopathological findings and suggestive clinical ...
    • White spot syndrome virus and Enterocytozoon hepatopenaei in shrimp farms in Costa Rica 

      Peña Navarro, Nelson; Castro Vásquez, Ruth; Dolz, Gaby (Universidad de Costa Rica, 2020-03-04)
      Introduction. The white spot syndrome virus (WSSV) causes systemic destruction of ectodermal and mesodermal tissues in shrimp and can cause 100 % mortality. Enterocytozoon hepatopenaei (EHP) is an intracellular ...
    • Winter activity and diapause of Aedes albopictus (Diptera: Culicidae) in Hanoi, Northern Vietnam 

      Tsunoda, Takashi; Chaves, Luis Fernando; Nguyen, Giang; Nguyen, Thi Yen Chi; TAKAGI, Masahiro (Oxford University Press on behalf of Entomological Society of America, 2015-08-18)
      We studied the winter activity of Aedes albopictus (Skuse) from November 2008 to April 2009 in Bat Trang village of Hanoi, Vietnam. We selected 12 houses and collected: 1) adults with BG sentinel traps, 2) pupae from ...