Mario J. Grijalva, Ph.D.
 

Access publications by Grijalva MJ in Pubmed

1. Barnabé C, Grijalva MJ, Santillán-Guayasamín S, Yumiseva CA, Waleckx E, Brenière SF, Villacís AG. 2020. Genetic data support speciation between Panstrongylus howardi and Panstrongylus chinai, vectors of Chagas disease in Ecuador. Infect Genet Evol. 2019 Nov 5;78:104103. doi: 10.1016/j.meegid.2019.104103. PMID: 31698115
    

2. Rivadeneira M.F., Moncayo A.L., Tello B., Torres A.L., Buitrón G.J., Astudillo F., Fredricks T.R., Grijalva M.J. 2020. A Multi-causal Model for Chronic Malnutrition and Anemia in a Population of Rural Coastal Children in Ecuador. Matern Child Health J. doi: 10.1007/s10995-019-02837-x. PMID: 31838668
    

3. Bates, B. R., Villacis, A. G., Mendez-Trivino, A., Mendoza, L. E., & Grijalva, M. J. 2020. Determinants of intentions to prevent triatomine infestation based on the Health Belief Model: An application in rural southern Ecuador. PLoS: Neglected Tropical Diseases. 14(1): e0007987. https://doi.org/10.1371/journal.pntd.0007987 PMID: 31999721.
    

4. Muñoz-Tobar, S. I., Abad-Franch, F. and Grijalva, M. J. 2020. Rhodnius pallescens microsatellite markers for population genetic analysis in Rhodnius ecuadoriensis: preliminary assessment. Revista Ecuatoriana de Medicina y Ciencias Biologicas Volumen 40 (2): 87-93.
    

5. Bates, B. R., Nieto-Sanchez, C., Marvel, D., Guerrero, D., Baus, E. G., & Grijalva, M. J. 2020. Broadening “media” for development communication: Alternative channels employed in Loja, Ecuador. Asia Pacific Media Educator. https://doi.org/10.1177/1326365X19870097
    

6. Bates, B. R., Sharma, D., Baus, E. G., & Grijalva, M. J. (2020). En nuestra casa no hay chinchorros: A youth-oriented, participatory approach to Chagas prevention in Loja province, Ecuador. Frontiers in Communication 5, Corregidum: Frontiers in Communication 5, 30
    

7. Villacís, A.G., Bustillos, J.J., Depickère, S., Sánchez, D., Yumiseva, C.A., Troya-Zuleta, A., Barnabé, C., Grijalva, M.J., Brenière, S.F. Would tropical climatic variations impact the genetic variability of triatomines: Rhodnius ecuadoriensis, principal vector of Chagas disease in Ecuador? Acta Tropica 19;209:105530. doi: 10.1016/j.actatropica.2020.105530. PMID: 32439318
    

8. Santillán-Guayasamín S., Barnabé C., Magallón-Gastelum E., Waleckx E., Yumiseva C.A., Grijalva M.J., Villacís A.G., Brenière S.F. 2020. Molecular data supports monophyly of Triatoma dispar complex within genus Triatoma. Infect Genet Evol. 18:104429. doi:10.1016/j.meegid.2020.104429. PMID: 32565363
    

9. Maiguashca Sánchez J., Sueto S.O.B., Schwabl P., Grijalva M.J., Llewellyn M.S., Costales J.A. 2020. Remarkable genetic diversity of Trypanosoma cruzi and Trypanosoma rangeli in two localities of southern Ecuador identified via deep sequencing of mini-exon gene amplicons. Parasit Vectors. 14;13(1):252. doi:10.1186/s13071-020-04079-1. PMID: 32410645
    

10. Villacís, A.G., Dujardin, J.P., Yumiseva, C.A., Santillán-Guayasamín, S., Orozco, M.I., Mosquera, K.D., Panzera, F., Pita, S. and Grijalva, M.J. 2020. Chagas vectors Panstrongylus chinai (Del Ponte, 1929) and P. howardi (Neiva, 1911): melanic forms or true species? Parasites & Vectors. 13(1):226. doi: 10.1186/s13071-020-04097-z. PMID: 32375868
     

11. Alonso-Padilla J., Abril M., Alarcón de Noya B., Almeida I.C., Angheben A., Araujo Jorge T., Chatelain E., Esteva M., Gascón J., Grijalva M.J., Guhl F., Hasslocher-Moreno A.M., López M.C., Luquetti A., Noya O., Pinazo M.J., Ramsey J.M., Ribeiro I., Ruiz A.M., Schijman A.G., Sosa-Estani S., Thomas M.C., Torrico F., Zrein M., Picado A. 2020. Target product profile for a test for the early assessment of treatment efficacy in Chagas disease patients: An expert consensus. PLoS Negl Trop Dis. 14(4):e0008035. doi: 10.1371/journal.pntd.0008035. PMID: 32324735
     

12. Bates B.R., Grijalva D.A., Grijalva M.J. A Culture-Centered, Participatory Approach to Defining “Development” in Rural Ecuador. Qualitative Research Reports in Communication, 1-14
     

13. Reina Ortiz M., Grijalva M.J., Turell M.J., Waters W. F., Montalvo A.C., Mathias D., Sharma V., Renoy C.F., Suits P., Thomas S.J., Leon R. 2020. Biosafety at Home: How to Translate Biomedical Laboratory Safety Precautions for Everyday Use in the Context of COVID-19. Am J Trop Med Hyg. 2020. doi:10.4269/ajtmh.20-0677. PMID: 32597388
     

14. Bates BR, Moncayo AL, Costales JA, Herrera-Cespedes CA, Grijalva MJ. 2020. Knowledge, Attitudes, and Practices Towards COVID-19 Among Ecuadorians During the Outbreak: An Online Cross-Sectional Survey. J Community Health. doi: 10.1007/s10900-020-00916-7. PMID: 32915380
     

15. Bismark Oduro, Mario J. Grijalva, Winfried Just. 2019. A model of insect control with imperfect treatment. Journal of Biological Dynamics. 2019 Dec;13(1):518-537. doi: 10.1080/17513758.2019.1640293. PMID: 31290728
     

16. Nieto-Sanchez C, Bates BR, Guerrero D, Jimenez S, Baus EG, Peeters Grietens K, Grijalva MJ. 2019. Home improvement and system-based health promotion for sustainable prevention of Chagas disease: A qualitative study. PLoS Negl Trop Dis. 2019 Jun 13;13(6):e0007472. doi: 10.1371/journal.pntd.0007472. eCollection 2019 Jun. PMID: 31194754 http://dx.plos.org/10.1371/journal.pntd.0007472
     

17. Benjamin R Bates, Diana L Marvel, Claudia Nieto-Sanchez, Mario J Grijalva. 2019. Painting a community-based definition of health: A culture-centered approach to listening to rural voice in Chaquizhca, Ecuador. Frontiers in Communication. 4:37.
     

18. Jessica Arnold, Julia Flint, Sharon Casapulla, Claudia Nieto & Mario J. Grijalva (2019) Medical pluralism in maternal health-seeking behavior of rural women in Southern Ecuador, Health Care for Women International, DOI: 10.1080/07399332.2019.1642891
     

19. Schwabl P, Imamura H, Van den Broeck F, Costales JA, Maiguashca-Sánchez J, Miles MA, Andersson B, Grijalva MJ, Llewellyn MS. 2019. Meiotic sex in Chagas disease parasite Trypanosoma cruzi. Nat Commun. 2019 Sep 3;10(1):3972. doi: 10.1038/s41467-019-11771-z. PMID: 31481692 https://www.nature.com/articles/s41467-019-11771-z
     

20. Moncayo AL, Granizo G, Grijalva MJ, Rasella D. 2019. Strong effect of Ecuador's conditional cash transfer program on childhood mortality from poverty-related diseases: a nationwide analysis. BMC Public Health. 2019 Aug 17;19(1):1132. doi: 10.1186/s12889-019-7457-y. PMID: 31420035. https://bmcpublichealth.biomedcentral.com/articles/10.1186/s12889-019-7457-y
     

21. Maria E Grillet, Juan V Hernandez, Martin S. Llewellyn; Alberto Paniz-Mondolfi, Adriana Tami, Maria F Vincenti-González, Marilianna Marquez, Adriana Mogollon-Mendoza, Carlos E Hernandez-Pereira, Juan Plaza-Morr, Gabriela Blohm, Mario J Grijalva, Jaime A Costales, Heather Ferguson, Philipp Schwabl, Luis E Hernandez-Castro, Poppy Lamberton, Daniel Streiker, Daniel Haydon, Michael A Miles, Maikell Segovia, Alvaro Acosta-Serrano, Harry Acquatella, Maria G Basañez, Gustavo Benaim, Luis A Colmenares, Jan E Conn, Raul Espinoza, Hector Freilij, Mary C Graterol-Gil, Peter Hotez, Hirotomo Kato, John A Lednicky, Edgar Marchan, Clara E Martinez, Santiago Mas-Coma, Antonio Morocoima, Glenn Morris Jr, Juan C Carlos, José L Ramírez, Marlenes Rodríguez, Julio A Urbina, Leopoldo Villegas, Hernán J Carrasco, James L Crainey, Sergio Luz, Jorge Moreno, Oscar Noya, Juan D Ramírez, Belkisyolé Alarcón-de Noya. Venezuela's humanitarian crisis, resurgence of vector-borne diseases and implications for spillover in the region: a call for action. Lancet. February 21, 2019. http://dx.doi.org/10.1016/S1473-3099(18)30757-6
     

22. Soledad Santillán-Guayasamín, Anita G. Villacís, Mario J. Grijalva and Jean-Pierre Dujardin. 2018. Triatominae: does the shape change of non-viable eggs compromise species recognition? Parasites and Vectors 2018 Oct 10;11(1):543. doi: 10.1186/s13071-018-3104-1
     

23. Benjamin R. Bates, Diana L. Marvel, Claudia Nieto-Sanchez & Mario J. Grijalva (2019) Community cartography in health communication: An asset-based mapping approach in four communities in rural Ecuador, Journal of International and Intercultural Communication, 12:3, 228-247, DOI: 10.1080/17513057.2018.1524506
     

24. Anabel Padilla N., Ana L. Moncayo, Clifford B. Keil, Mario J. Grijalva, Anita G. Villacís. 2019. Life cycle, feeding and defecation patterns of Triatoma carrioni 1 (Larrousse, 1926), under laboratory conditions. Journal of Medical Entomology. Feb 15. pii: tjz004. doi: 10.1093/jme/tjz004.
     

25. Sofía Ocaña-Mayorga, Simón E. Lobos, Verónica Crespo-Pérez, Anita G. Villacís, C. Miguel Pinto and Mario J. Grijalva. Influence of ecological factors on the presence of a triatomine species associated with the arboreal habitat of a host of Trypanosoma cruzi. Parasites and Vectors 2018 Oct 29;11(1):567. doi: 10.1186/s13071-018-3138-4.
     

26. Soledad Santillán-Guayasamín, Anita G. Villacís, Mario J. Grijalva and Jean-Pierre Dujardin. 2018. Triatominae: does the shape change of non-viable eggs compromise species recognition? Parasites and Vectors 2018 Oct 10;11(1):543. doi: 10.1186/s13071-018-3104-1
     

27. Patterson NM, Bates BR, Chadwick AE, Nieto-Sanchez C, Grijalva MJ. 2018. Using the health belief model to identify communication opportunities to prevent Chagas disease in Southern Ecuador. PLoS Negl Trop Dis. 2018 Sep 27;12(9):e0006841. doi: 10.1371/journal.pntd.0006841. PMID: 30260961
     

28. Lydy SL, Lascano MS, Garcia-Perez JE, Williams-Newkirk AJ, Grijalva MJ. 2018. Seroprevalence and risk factors for infection with Bartonella bacilliformis in Loja province, Ecuador. Emerg Microbes Infect. 25;7(1):115. doi: 10.1038/s41426-018-0110-5.
     

29. Marco-Crespo B, Casapulla S, Nieto-Sanchez C, Urrego JGG, Grijalva MJ. 2018. Youth participatory research and evaluation to inform a Chagas disease prevention program in Ecuador. Eval Program Plann. 2018 Apr 30;69:99-108. doi: 10.1016/j.evalprogplan.2018.04.009. PMID: 29753193. [Abstract]
     

30. Hernandez-Castro LE, Paterno M, Villacís AG, Andersson B, Costales JA, De Noia M, Ocaña-Mayorga S, Yumiseva CA, Grijalva MJ, Llewellyn MS. 2017. 2b-RAD genotyping for population genomic studies of Chagas disease vectors: Rhodnius ecuadoriensis in Ecuador. PLoS Negl Trop Dis. 2017 Jul 19;11(7):e0005710. doi: 10.1371/journal.pntd.0005710. eCollection 2017 Jul. PMID: 28723901. [Abstract]
     

31. Grijalva MJ, Villacís AG, Moncayo AL, Ocaña-Mayorga S, Yumiseva CA, Baus EG. 2017. Distribution of triatomine species in domestic and peridomestic environments in central coastal Ecuador. PLoS Negl Trop Dis. 2017 Oct 2;11(10):e0005970. doi: 10.1371/journal.pntd.0005970. eCollection 2017 Oct. PMID: 28968383. [Abstract]
     

32. Oduro B, Grijalva MJ, Just W. 2018. Models of Disease Vector Control: When Can Aggressive Initial Intervention Lower Long-Term Cost? Bull Math Biol. 2018 Apr;80(4):788-824. doi: 10.1007/s11538-018-0401-y. Epub 2018 Feb 5. PMID: 29404878.
     

33. Sharon L. Casapulla, Gloria Aidoo-Frimpong, Tania B. Basta, Mario J. Grijalva. 2018. Zika virus knowledge and attitudes in Ecuador AIMS Public Health, 5(1): 49-63. doi: 10.3934/publichealth.2018.1.49
     

34. Villacís AG, Marcet PL, Yumiseva CA, Dotson EM, Tibayrenc M, Brenière SF, Grijalva MJ. 2017. Pioneer study of population genetics of Rhodnius ecuadoriensis (Hemiptera: Reduviidae) from the central coastand southern Andean regions of Ecuador. Infect Genet Evol. 2017 May 22;53:116-127. doi: 10.1016/j.meegid.2017.05.019. [Abstract]
     

35. Casapulla SL, Howe CA, Mora GR, Berryman D, Grijalva MJ, Rojas EW, Nakazawa M, Shubrook JH. 2017. Cardiometabolic risk factors, metabolic syndrome and pre-diabetes in adolescents in the Sierra region of Ecuador.Diabetol Metab Syndr. 2017 Apr 19;9:24. doi: 10.1186/s13098-017-0224-2. eCollection 2017. [Abstract][Full text][PDF]
     

36. Santillán-Guayasamín S, Villacís AG, Grijalva MJ, Dujardin JP. 2017. The modern morphometric approach to identify eggs of Triatominae. Parasit Vectors. 2017 Jan 31;10(1):55. doi: 10.1186/s13071-017-1982-2. [Abstract][Full text][PDF]
     

37. Mario J. Grijalva, Anita G. Villacis, Sofia Ocaña-Mayorga, Cesar A. Yumiseva, Ana L. Moncayo, Esteban G. Baus. 2015. Comprehensive Survey of Domiciliary Triatomine Species Capable of Transmitting Chagas Disease in Southern Ecuador. PLoS Negl Trop Dis. Oct 6;9(10):e0004142. doi: 10.1371/journal.pntd.0004142. [Full text][PDF]
     

38. Pinto CM, Ocaña-Mayorga S, Tapia EE, Lobos SE, Zurita AP, Aguirre-Villacís F, MacDonald A, Villacís AG, Lima L, Teixeira MMG, Grijalva MJ, Perkins SL. Bats, trypanosomes, and triatomines in Ecuador: new insights into the diversity, transmission, and origins of Trypanosoma cruzi and Chagas disease. PLoS One. 2015 Oct 14;10(10):e0139999. doi: 10.1371/journal.pone.0139999. eCollection 2015. PMID:26465748 [Full text][PDF]
     

39. Sofia Ocaña-Mayorga, Fernanda Aguirre-Villacis, C. Miguel Pinto, Gustavo A. Vallejo, Mario J. Grijalva. 2015 Prevalence, Genetic Characterization, and 18S Small Subunit Ribosomal RNA Diversity of Trypanosoma rangeli in Triatomine and Mammal Hosts in Endemic Areas for Chagas Disease in Ecuador.. Journal of Vector Borne and Zoonotic Diseases. Dec;15(12):732-42. doi: 10.1089/vbz.2015.1794. Epub 2015 Dec 8. PMID:26645579 [Full text][PDF]
     

40. Costales, Jaime A., Miguel A Jara-Palacios, Martin S. Llewellyn, Louisa A. Messenger, Sofía Ocaña-Mayorga, Anita G. Villacís, Michel Tibayrenc, and Mario J. Grijalva. 2015. Trypanosoma cruzi population dynamics in the Central Ecuadorian Coast. Acta TropicaScienceDirect, EBSCOhost (accessed September 3, 2015). [Full Text]
     

41. Nieto-Sanchez, C., Baus, E.G., Guerrero, D, & Grijalva, M.J. 2015. Positive deviance study to inform a Chagas disease control program in southern Ecuador. Memórias Do Instituto Oswaldo Cruz, (3), 299. doi:10.1590/0074-02760140472 [Full Text]
     

42. Costales JA, Sánchez-Gómez A, Silva-Aycaguer LC, Cevallos W, Tamayo S, Yumiseva CA, Jacobson JO, Martini L, Carrera CA, Grijalva MJ. 2015. A National Survey to Determine Prevalence of Trypanosoma cruzi Infection Among Pregnant Women in Ecuador. Am J Trop Med Hyg. 2015 Feb 9. pii: 14-0562. [Abstract]
     

43. Villacís AG, Ocaña-Mayorga S, Lascano MS, Yumiseva CA, Baus EG, Grijalva MJ. 2015. Abundance, Natural Infection with Trypanosomes, and Food Source of an Endemic Species of Triatomine, Panstrongylus howardi (Neiva 1911), on the Ecuadorian Central Coast. Am J Trop Med Hyg. 92(1), 187–192. doi:10.4269/ajtmh.14-0250 [Abstract]
     

44. Mario J. Grijalva, David Terán, Olivier Dangles. 2014. Dynamics of Sylvatic Chagas Disease Vectors in Coastal Ecuador is Driven by Changes in Land Cover. PLoS Negl Trop Dis. 2014 Jun 26;8(6):e2960. doi: 10.1371/journal.pntd.0002960 [Full text]
     

45. Bhattacharyya T, Falconar AK, Luquetti AO, Costales JA, Grijalva MJ, Lewis MD, Messenger LA, Tran TT, Ramirez JD, Guhl F, Carrasco HJ, Diosque P, Garcia L, Litvinov SV, Miles MA. 2014. Development of Peptide-based lineage-specific serology for chronic chagas disease: geographical and clinical distribution of epitope recognition. PLoS Negl Trop Dis. 2014 May 22;8(5):e2892. doi: 10.1371/journal.pntd.0002892. eCollection 2014 May.[Full text]
     

46.  Rodolfo Viotti, Belkisyolé Alarcón de Noya, Tania Araujo-Jorge, Mario J. Grijalva, Felipe Guhl, Manuel Carlos López, Janine Ramsey, Isabela Ribeiro, Alejandro Schijman, Sergio Sosa-Estani, Faustino Torrico, and Joaquin Gascon. Towards a paradigm shift in the treatment of chronic Chagas disease. 2014. Antimicrobial Agents and Chemotherapy. Antimicrob Agents Chemother. 58(2):635-9. doi: 10.1128/AAC.01662-13. Epub 2013 Nov 18. [Full text]
     

47. Amaya Sánchez-Gómez, Mario J Grijalva, Luis C Silva-Aycaguer, Susana Tamayo, Cesar A Yumiseva, Jaime A Costales, Jerry O Jacobson, Marcelo Chiriboga, Eliana Champutiz, Carlos Mosquera, Mercedes Larrea, William Cevallos. 2014. HIV and syphilis infection in pregnant women in Ecuador: prevalence and characteristics of antenatal care. Sexually Transmitted Infections. 90(1):70-5. doi: 10.1136/sextrans-2013-051191. Epub 2013 Nov 26.
     

48. Monteiro FA, Peretolchina T, Lazoski C, Harris K, Dotson EM, Abad-Franch F, Tamayo E, Pennington PM, Monroy C, Cordon-Rosales C, Salazar-Schettino PM, Gómez-Palacio A, Grijalva MJ, Beard CB, Marcet PL. 2013. Phylogeographic Pattern and Extensive Mitochondrial DNA Divergence Disclose a Species Complex within the Chagas Disease Vector Triatoma dimidiata. PLoS One. Aug 5;8(8):e70974. doi: 10.1371/journal.pone.0070974 [Full text]

49. Grijalva MJ, Suarez-Davalos V, Villacis AG, Ocana-Mayorga S, Dangles O. 2012. Ecological factors related to the widespread distribution of sylvatic Rhodnius ecuadoriensis populations in southern Ecuador.  Parasites and Vectors. 13;5(1):17. [Full text]

50. Teodoro TM, Jannotti-Passos LK, Carvalho Odos S, Grijalva MJ, Baús EG, Caldeira RL. 2011. Hybridism between Biomphalaria cousini and Biomphalaria amazonica and its susceptibility to Schistosoma mansoni.
    Mem Inst Oswaldo Cruz. 2011 Nov;106(7):851-5. [Full text]

51. Mario J. Grijalva, Anita G. Villacís, Sofía Ocaña-Mayorga, César A. Yumiseva, Esteban G. Baus. 2011. Limitations of selective deltamethrin application for triatomine control in central coastal Ecuador. Parasites and Vectors. 4:20 (18 February 2011) [Full text]
     

52. Ocaña-Mayorga S, Llewellyn MS, Costales JA, Miles MA, Grijalva MJ. 2010. Sex, Subdivision, and Domestic Dispersal of Trypanosoma cruzi Lineage I in Southern Ecuador. PLoS Negl Trop Dis 4(12): e915. doi:10.1371/journal.pntd.0000915 [Full text]
     

53. Anita G. Villacis, Mario J. Grijalva, Silvia S. Catala. 2010. Phenotypic variability of Rhodnius ecuadoriensis populations at the Ecuadorian central and southern Andean region.  Journal of Medical Entomology. 47(6):1034-1043
     

54. Jose R. Loaiza, Marilyn E. Scott, Eldredge Bermingham, Oris I. Sanjur, Richard Wilkerson,
    Jose Rovira, Lina A. Gutiérrez, Margarita M. Correa, Mario J. Grijalva, Lotty Birnberg,
    Sara Bickersmith, Jan E. Conn. 2010. Late Pleistocene environmental changes lead to unstable demography
    and population divergence of Anopheles albimanus in the northern Neotropics. Molecular Phylogenetics and Evolution 57:1341–1346
     

55. Mario J. Grijalva, Francisco S. Palomeque, Anita G. Villacís, Carla L. Black, Laura Arcos-Terán. 2010. Absence of domestic triatomine colonies in an area where Chagas Disease is considered endemic in the coastal region of Ecuador. Memorias do Instituto Oswaldo Cruz. 105(5): 667-681.

     

56. Richard Reithinger, Mario J. Grijalva, Rosa F. Chiriboga, Belkisyolé Alarcón de Noya, Jaime R. Torres, Norma Pavia, Pablo Manrique-Saide, and Ricardo E. Gürtler. 2010. Rapid detection of Trypanosoma cruzi in human serum using an immunochromatographic dipstick test. Journal of Clinical Microbiology. 2010 Aug;48(8):3003-7.
     

57. Abad-Franch F, Ferraz G, Campos C, Palomeque FS, Grijalva MJ, Aguilar HM, Miles MA.
    2010. Modeling disease vector occurrence when detection is imperfect: infestation of Amazonian palm trees by triatomine bugs at three spatial scales. PLoS Negl Trop Dis. 2010 Mar 2;4(3):e620 [Full text]
     

58. C. Miguel Pinto, B. Dnate’ Baxter, J. Delton Hanson, Francisca M. Méndez-Harclerode, John R. Suchecki, Mario J. Grijalva, Charles F. Fulhorst, and Robert D. Bradley. 2010. Using Museum Collections to Detect Pathogens.  Journal of  Infectious Diseases. 16(2):356-357
     

59. Carla L. Black, Sofía Ocaña-Mayorga, Diana K. Riner, Jaime A. Costales, Mauricio S. Lascano, Laura Arcos-Terán, John S. Preisser, J. Richard Seed, and Mario J. Grijalva. 2010. Seroprevalence of Trypanosoma cruzi in rural ecuador and clustering of seropositivity within households.  American Journal of Tropical Medicine and Hygiene. 81(6): 1035-1040.
     

60. Victoria Suarez-Davalos, Olivier Dangles, Anita G. Villacis, Mario J. Grijalva. 2010 .  Microdistribution of sylvatic triatomine populations in Central-coastal Ecuador. Journal of Medical Entomology. 47(1): 80-88
     

61. Grijalva MJ, Chiriboga RF, Cueva GF, Arcos-Teran L. 2009. Evaluación externa del desempeño en serología para el marcador VIH en los bancos de sangre del Ecuador (2003 a 2008). [External performance evaluation in HIV serology in the blood banks of Ecuador (2003 to 2008). Boletín Epidemiológico (Ecuador) 52(6): 7 - 17
     

62. Grijalva M.J., Villacis, A. G. 2009. Presence of Rhodnius ecuadoriensis in Sylvatic Habitats in the
    Southern Highlands (Loja Province) of Ecuador. Journal of Medical Entomology 46(3): 708 -711
     

63. Schofield C.J.,  Grijalva M.J., Diotaiuti L. (2009) Distribución de los vectores de la Enfermedad de Chagas en países “no endémicos”: la posibilidad de transmisión vectorial fuera de América Latina. [Distribution of Chagas disease vectors in "non endemic" countries: Potential for vectorial transmission outside of Latin America]. Enfermedades Emergentes 11 (supl..1) 20-27.
     

64. Anita G Villacís, Laura Arcos-Terán, Mario J Grijalva. 2008. Life cycle, feeding and defecation patterns of Rhodnius ecuadoriensis (Lent & León 1958) (Hemiptera: Reduviidae: Triatominae) under laboratory conditions. Mem Inst Oswaldo Cruz, Rio de Janeiro, Vol. 103(7): 690-695 [See PDF]
     

65. Carla L. Black, Sofia Ocaña, Diana Riner, Jaime A. Costales, Mauricio S. Lascano, Santiago Davila, Laura Arcos-Teran, J. Richard Seed, and Mario J. Grijalva. 2007. Household Risk Factors For Trypanosoma cruzi Seropositivity In Two Geographic Regions Of Ecuador. Journal of Parasitology. 93 (1): 12-16.
     

66. C. Miguel Pinto, Sofía Ocaña-Mayorga, Mauricio S. Lascano, and Mario J. Grijalva. 2006. Infection By Trypanosomes In Marsupials And Rodents Associated With Human Dwellings In Ecuador. Journal of Parasitology. 92: 1251-1255.
     

67. Mario J. Grijalva, Rosa F. Chiriboga, Hans Vanhassel, Laura Arcos-Teran.  2005. Improving the safety of the blood supply in Ecuador through external performance evaluation of serological screening of blood donors. Journal of Clinical Virology 34 Suppl. 2. S47–S52
     

68. M. J. Grijalva ; F. S. Palomeque-Rodríguez ; J. A. Costales ; S. Davila ; L. Arcos-Teran. 2005. High Household Infestation Rates by Synanthropic Vectors of Chagas Disease in Southern Ecuador. Journal of Medical Entomology. 42(1): 68 - 74
     

69. Mario J. Grijalva, Luis Escalante, Rodrigo A. Paredes, Jaime A. Costales, Alberto Padilla, Edwin C. Rowland, H. Marcelo Aguilar and Jose Racines. 2003 . Seroprevalence and Risk Factors for Trypanosoma cruzi Infection in the Amazon Region of Ecuador. American Journal of Tropical Medicine and Hygiene. 69: 380-385. [See Medline record] [See article at AJTMH ]
     

70. Palomeque FS, Abad-Franch F, Grijalva, M.J. 2003. Notas sobre la biología y bionomía de Rhodnius robustus Larrouse, 1927 (Hemiptera: Reduviidae: Triatominae). Revista de la Pontificia Universidad Católica del Ecuador 71: 49-60
     

71. Pinto, C.M., Grijalva, M.J., Costales, J.A. 2003. Prevalencia de Trypanosoma cruzi en roedores y marsupiales en dos localidades de Manabí, Ecuador. Revista de la Pontificia Universidad Católica del Ecuador 71: 225-233
     

72. Michael J. James, Michael J. Yabsley, Oscar J. Pung, and Mario J. Grijalva. 2002. Amplification of Trypanosoma cruzi Specific Sequences in Formalin–fixed Raccoon Tissues Using Polymerase Chain Reaction. Journal of Parasitology. 85(5):989-993. [See Medline record]
     

73. Jeannette Guarner, Jeanine Bartlett, Sherif R. Zaki, Daniel G. Colley, Mario J. Grijalva, and Malcolm R. Powell. 2001. Mouse model for Chagas' disease: Immunohistochemical distribution of different stages of Trypanosoma cruzi in tissues throughout infection. American Journal of Tropical Medicine and Hygiene. 65(2):152-158. [See Medline record]
     

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