2017. Alarcón-Elbal, P.M. & Lucientes, J. 2012. Actualización del catálogo de Culicoides Latreille, 1809 (Diptera, Ceratopogonidae) de España. Graellsia 68:353–362. doi:10.3989/graellsia.2012.v68.064. Bilk, S. Schulze, C. Fischer, M. Beer, M. Hlinak, A. & Hoffmann, B. 2012. Organ distribution of Schmallenberg virus RNA in malformed newborns. Vet. Microbiol. 159:236–238. doi:10.1016/j.vetmic.2012.03.035. De Blas, I., Ruiz-Zarzuela, I. & Vallejo, A. 2006. WinEpi: Working In Epidemiology. An Online Epidemiological Tool. Page in Proceedings of the 11th International Symposium on Veterinary Epidemiology and Economics, Cairns, Australia. Cameron, A.R. & Baldock, F.C. 1998. A new probability formula for surveys to substantiate freedom from disease. Prev. Vet. Med. 34:1–17. Doceul, V., Lara, E., Sailleau, C., Belbis, G. Richardson, J., Bréard, E., Viarouge, C., Dominguez, M., Hendrikx, P., Calavas, D., Desprat, A., Languille, J., Comtet, L., Pourquier, P., Eléouët, J.-F., Delmas, B., Marianneau, P., Vitour, D. & Zientara, S. 2013. Epidemiology, molecular virology and diagnostics of Schmallenberg virus, an emerging orthobunyavirus in Europe. Vet. Res. 44:1–13. doi:10.1186/1297-9716-44-31. Elbers, A.R.W., Meiswinkel, R., van Weezep, E., Sloet van Oldruitenborgh-Oosterbaan, M.M. & Engbert, A.K. 2013. Schmallenberg Virus in Culicoides spp. Biting Midges, the Netherlands, 2011. Emerg. Infect. Dis. 19:106–109. doi:10.3201/eid1901.121054. Gariglinany, M.-M., Hoffmann, B., Dive, M., Sartelet, A., Bayrou, C., Cassart, D., Beer, M. & Desmecht, D. 2012. Schmallenberg Virus in Calf Born at Term with Porencephaly, Belgium. Emerg. Infect. Dis. 18. doi:10.3201/eid1806.120104. Greiner, E.C., Mo, C.L., Homan, E.J., Gonzalez, J., Oviedo, M.T., Thompson, L.H. & Gibbs, E.P. 1993. Epidemiology of bluetongue in Central America and the Caribbean: initial entomological findings. Regional Bluetongue Team. Med Vet Entomol 7:309–315. doi:10.1111/j.1365-2915.1993.tb00697.x. Hernández-Mora, G., Ruiz-Villalobos, N., Bonilla-Montoya, R., Romero-Zúniga, J.J., Jiménez-Arias, J., González-Barrientos, R., Barquero-Calvo, E., Chacón-Díaz, C., Rojas, N., Chaves-Olarte, E., Guzmán-Verri, C. & Moreno, E. 2017. Epidemiology of bovine brucellosis in Costa Rica: Lessons learned from failures in the control of the disease. PLoS One 12:e0182380. doi:10.1371/journal.pone.0182380. Hoffmann, B., Schulz, C. & Beer, M. 2013. First detection of Schmallenberg virus RNA in bovine semen, Germany, 2012. Vet. Microbiol. 167:289–295. doi:10.1016/j.vetmic.2013.09.002. Homan, E.J., Lorbacher, H., Donato, A., Taylor, W. & Yuill, T.M. 1985. Bluetongue virus infection in Costa Rican and Colombian cattle. Prog. Clin. Biol. Res. 178:559–61. InBIO. Biting Midges as Pests. http://www.inbio.ac.cr/papers/Ceratopogonidae/biting.htm. Kim, J. & Seo, B.S. 2013. How to calculate sample size and why. Clin. Orthop. Surg. 5:235–242. doi:10.4055/cios.2013.5.3.235. Koenraadt, C.J.M., Balenghien, T., Carpenter, S., Ducheyne, E., Elbers, A.R.W., Fife, M., Garros, C., Ibáñez-justicia, A., Kampen, H., Kormelink, R.J.M. & Losson, B. 2014. Bluetongue , Schmallenberg - what is next ? Culicoides -borne viral diseases in the 21 st Century Bluetongue , Schmallenberg - what is next ? Culicoides -borne viral diseases in the 21 st Century. Ministère de L’Agriculture de L’Alimentation de la Pêche de la Ruralité et de L’Aménagement du Territoire. 2012. Note d’information N°11. http://www.gdma36.fr/WebGDMA.nsf/0/9a88c7c6d32c019ac12579cd00303b80/$FILE/Note%20d’information%20SBV%20n%C2%B011.pdf Montgomery, J.M., Tack, D.M. & Obonyo, M. 2012. Culicoids as Vectors of Schmallenberg Virus 18:1204–1206. Pepin, M., Bouloy, M., Bird, B.H., Kemp, A. & Paweska, J. 2010. Rift Valley fever virus ( Bunyaviridae: Phlebovirus ): an update on pathogenesis, molecular epidemiology, vectors, diagnostics and prevention. Vet. Res. 41:1–40. doi:10.1051/vetres/2010033. Ponsart, C., Pozzi, N., Bréard, E., Catinot, V., Viard, G., Sailleau, C., Viarouge, C., Gouzil, J., Beer, M., Zientara, S. & Vitour, D. 2014. Evidence of excretion of Schmallenberg virus in bull semen. Vet. Res. 45:1–6. doi:10.1186/1297-9716-45-37. Poskin, A., Verite, S., Comtet, L., Stede, Y., Van Der Cay, B. & Regge, N. De. 2015. Persistence of the protective immunity and kinetics of the isotype specific antibody response against the viral nucleocapsid protein after experimental Schmallenberg virus infection of sheep. Vet. Res. 1–9. doi:10.1186/s13567-015-0260-6. ProMed-mail. 2012. SCHMALLENBERG VIRUS - EUROPE (34): DECLINE, UPDATE. http://www.promedmail.org/direct.php?id=20120426.1115024.%0A11. De Regge, N., Deblauwe, I., De Deken, R., Vantieghem, P., Madder, M., Geysen, D., Smeets, F., Losson, B., van den Berg, T. & Cay, A.B. 2012. Detection of Schmallenberg virus in different Culicoides spp. by real-time RT-PCR. Transbound. Emerg. Dis. 59:471–475. doi:10.1111/tbed.12000. Ruiz-Fons, F. 2012. Enfermedades Transmitidas por Garrapatas. Argos 42–44. Schulz, C., van der Poel, W.H.M., Ponsart, C., Cay, A.B., Steinbach, F., Zientara, S., Beer, M. & Hoffmann, B. 2015. European interlaboratory comparison of Schmallenberg virus (SBV) real-time RT-PCR detection in experimental and field samples. J. Vet. Diagnostic Investig. 27:422–430. doi:10.1177/1040638715593798. Schulz, C., Wernike, K., Beer, M. & Hoffmann, B. 2014. Infectious Schmallenberg virus from bovine semen, Germany. Emerg. Infect. Dis. 20:338–340. doi:10.3201/eid2002.131436. Tarlinton, R., Daly, J., Dunham, S. & Kydd, J. 2012. The challenge of Schmallenberg virus emergence in Europe. Vet. J. 194:10–18. doi:10.1016/j.tvjl.2012.08.017. Thrusfield, M., Ortega, C., de Blas, I., Noordhuizen, J.P. & Frankena, K. 2001. WIN EPISCOPE 2.0: improved epidemiological software for veterinary medicine. Vet. Rec. 148:567–572. doi:10.1136/vr.148.18.567. Villagra-blanco, R., Dolz, G. & Montero-Caballero, D. 2008. Short Communication Seroprevalence of Bluetongue and Associated Risk Factors in Costa Rican Sheep Flocks 1–6. Wensman, J.J., Blomqvist, G., Hjort, M. & Holst, B.S. 2013. Presence of antibodies to schmallenberg virus in a dog in Sweden. J. Clin. Microbiol. 51:2802–2803. doi:10.1128/JCM.00877-13. Ciencias veterinarias. 35, 2 (Dec. 2017), 103–112. DOI:https://doi.org/10.15359/rcv.35-2.4.