Now showing items 1-20 of 88

    • Determinants and prevalence of HIV infection in pregnant Peruvian women 

      Alarcón, Jorge O.; Johnson, Kay M.; Courtois, Barry.; Rodríguez, Carlos.; Sánchez, Jorge.; Watts, Douglas M. (AIDS, 2010-10-05)
      To determine age-specific seroprevalence, risk factors, and risk markers for heterosexually-acquired HIV infection among pregnant women. Standardized interviews, serologic tests for HIV and syphilis, bivariate and multivariate ...
    • Geographic distribution and clinical description of Leishmaniasis cases in Peru 

      Lucas, Carmen M.; Franke, Eileen D.; Cachay, Marlene I.; Tejada, Abelardo.; Cruz, María E.; Kreutzer, Richard D. (2010-10-06)
      Studies were conducted from 1986 through 1993 to further define the geographic distribution and relative importance of different species of Leishmania as a cause of leishmaniasis in Peru. Patients with a clinical diagnosis ...
    • Effect of foof on the bioavailability of triclabendzole in patients with fasioliasis 

      Lecaillon, J. B.; Godbillon, J.; Campestrin, J.; Naquira, C.; Miranda, L.; Pacheco, R. (British Journal of Clinical Pharmacology, 2010-10-07)
      Aims Preliminary results indicate higher absorption of triclabendazole (TCBZ) administered postprandially. Therefore, the influence of food on the pharmacokinetics of TCBZ and its active sulphoxide (TCBZ-SO) and sulphone ...
    • Molecular Epidemiology for Vector Research on Leishmaniasis 

      Kato, Hirotomo; Gómez, Eduardo A.; Cáceres, Abraham G.; Uezato, Hiroshi; Mimori, Tatsuyuki; Hashiguchi, Yoshihisa (International Journal of Environmental Research and Public Health, 2010-10-09)
      Leishmaniasis is a protozoan disease caused by the genus Leishmania transmitted by female phlebotomine sand flies. Surveillance of the prevalence of Leishmania and responsive vector species in endemic and surrounding areas ...
    • Systematic relationships among Lutzomyia sand flies (Diptera: Psychodidae) of Peru and Colombia based on the analysis of 12S and 28S ribosomal DNA sequences 

      Beati, Lorenza; Cáceres, Abraham G.; Lee, Jaime A.; Munstermann, Leonard E. (Australian Society for Parasitology Inc., 2010-10-11)
      Lutzomyia spp. are New World phlebotomine sand flies, many of which are involved in the transmission of human diseases, such as leishmaniases and bartonellosis. The systematic classification of the approximately 400 species ...
    • High Endemicity of Human T-cell Lymphotropic Virus Type 1 Among Pregnant Women in Peru 

      Alarcón, Jorge O.; Friedman, Heidi B.; Montano, Silvia M.; Zunt, Joseph R.; Holmes, King K.; Quinnan, Gerald V., Jr. (JAIDS Journal of Acquired Immune Deficiency Syndromes, 2010-10-11)
      Human T-cell lymphotropic virus type 1(HTLV-1) is associated with adult T-cell leukemia, tropical spastic paraparesis, and other immune-mediated diseases. There are reports of groups with high prevalences of HTLV-1 infection ...
    • Identification of Bartonella bacilliformis Genotypes and Their Relevance to Epidemiological Investigations of Human Bartonellosis 

      Birtles, Richard J.; Fry, Norman K.; Ventosilla, Palmira; Cáceres, Abraham G.; Sánchez, Eduardo; Vizcarra, Hugo (American Society for Microbiology, 2010-10-11)
      Genotypic diversity among 26 isolates of Bartonella bacilliformis obtained from different areas of Peru, and at different times, was assessed by comparison of DNA sequences derived from 16S-23S ribosomal DNA intergenic ...
    • Description of Culicoides pseudoheliconiae sp.n. from Peruvian Amazon and revalidation of Culicoides contubernalis Ortiz & Leon (Diptera: Ceratopogonidae) 

      Felippe-Bauer, Maria Luiza; Cáceres, Abraham G.; Silva, Cristiane S.; Valderrama-Bazán, William; González-Pérez, Antero; Costa, Janira M. (Memórias do Instituto Oswaldo Cruz, 2010-10-13)
      A new species of the Culicoides hylas species group, Culicoides pseudoheliconiae Felippe-Bauer is described and illustrated based on female specimens from Peruvian Amazon, and Culicoides contubernalis Ortiz & Leon from ...
    • Two New Culicoides of the paraensis Species Group (Diptera:Ceratopogonidae) from the Amazonian Region of Peru 

      Felippe-Bauer, Maria Luiza; Cáceres, Abraham G.; Silva, Cristiane S.; Valderrama-Bazán, William; González-Pérez, Antero (Memórias do Instituto Oswaldo Cruz, 2010-10-13)
      Two new species of the Culicoides paraensis species group, C. diversus Felippe-Bauer and C. peruvianus Felippe-Bauer, are described and illustrated based on female specimens from Amazonian region of Peru. A systematic ...
    • A new Culicoides (Diptera:Ceratopogonidae) of the subgenus Diphaomyia from Peru 

      Felippe-Bauer, Maria Luiza; Cáceres, Abraham G.; Silva, Cristiane S.; Valderrama-Bazán, William; González-Pérez, Antero (Memórias do Instituto Oswaldo Cruz, 2010-10-13)
      A new species of Culicoides of the subgenus Diphaomyia, Culicoides jurbergi Felippe-Bauer, is described and illustrated based on female specimens collected biting man and with light traps in Peruvian Amazonia. The species ...
    • Evaluation of the dot enzyme-linked immunosorbent assay in comparison with standard ELISA for the immunodiagnosis of human toxocariasis 

      Roldán, William.; Cornejo, William.; Espinoza, Yrma (Memórias do Instituto Oswaldo Cruz, 2010-10-13)
      A dot enzyme-linked immunosorbent assay (dot-ELISA) was standardized using excretory-secretory antigens of Toxocara canis for the rapid immunodiagnosis of human toxocariasis. Thirty patients with clinical signs of toxocariasis, ...
    • Frequency of Eosinophilia and risk factors and their association with Toxocara infection in Schoolchildren during a health survey in the North of Lima, Peru 

      Roldán, William H.; Espinoza, Yrma A.; Atúncar, Arturo.; Ortega, Emperatriz.; Martínez, América.; Saravia, Melissa. (Revista do Instituto de Medicina Tropical de São Paulo, 2010-10-19)
      During a health survey in a primary school from the district of Carabayllo (North of Lima, Peru), 200 schoolchildren (96 male and 104 female between fve to 12 years old) were randomly selected and divided in two groups ...
    • Seroprevalence of Human Toxocariasis in Andean Communities from the Northeast of Lima, Peru 

      Espinoza, Yrma A.; Huapaya, Pedro E.; Roldán, William H.; Jiménez, Susana.; Abanto, Enma P.; Rojas, Carlos A.; Cavero, Yuri A.; Gutiérrez, César A. (Revista do Instituto de Medicina Tropical de São Paulo, 2010-10-19)
      The aim of this study was to assess the seroprevalence of human toxocariasis in three Andean communities from the Northeast of Lima, Peru. A total of 303 subjects including children and adults were studied and blood ...
    • High fascioliasis infection in children linked to a man-made irrigation zone in Peru 

      Esteban, J. Guillermo.; González, Carolina.; Bargues, M. Dolores.; Angles, René.; Sánchez, Clemente.; Náquira, César. (Tropical Medicine and International Health, 2010-10-21)
      We detected 10 protozoan and nine helminth species in surveys of 338 5–15 year-old Quechua schoolchildren in three communities of the Asillo zone of the Puno region, located at a very high altitude of 3910 m in the Peruvian ...
    • Antibodies against Leptospira spp. in Captive Collared Peccaries, Peru 

      Mendoza, Patricia.; Mayor, Pedro.; Gálvez, Hugo A.; Céspedes, Manuel J.; Jori, Ferran. (Emerging Infectious Diseases, 2010-10-22)
      Leptospirosis is endemic to tropical South America and is a major public health problem for persons living in some regions of the Amazon Basin (1–3). For local inhabitants, the collared peccary (Tayassu tajacu) represents ...
    • Clinical and Serological evidence of Toxocara infection in school children from Morrope District, Lambayeque, Peru 

      Espinoza, Yrma A.; Huapaya, Pedro H.; Roldán, Wlliam H.; Jiménez, Susana.; Arce, Zhandra.; López, Elmer. (Revista do Instituto de Medicina Tropical de São Paulo, 2010-10-28)
      The aim of this study was to estimate the frequency of human toxocariosis in a child population from Morrope district, Lambayeque, Peru. From October to December 2005, 182 school children (96 male and 86 female) were ...
    • The Infectiousness of Tuberculosis Patients Coinfected with HIV 

      Escombe, Roderick A.; Moore, David A. J.; Gilman, Robert H.; Pan, Wlliam.; Navincopa, Marcos.; González, Armando. (PLoS Medicine., 2010-10-28)
      Background: The current understanding of airborne tuberculosis (TB) transmission is based on classic 1950s studies in which guinea pigs were exposed to air from a tuberculosis ward. Recently we recreated this model in Lima, ...
    • Frequency of Human Toxocariasis in a rural population from Cajamarca, Peru determined by Dot-Elisa test 

      Roldán, William H.; Espinoza, Yrma A.; Huapaya, Pedro E.; Huiza, Alina F.; Sevilla, Carlos R.; Jiménez, Susana. (Revista do Instituto de Medicina Tropical de São Paulo, 2010-11-02)
      The aim of this study was to estimate the frequency of human toxocariasis in Cauday district, Cajamarca, Peru, using a dot-ELISA test. From June to October 2005, a total of 256 adult subjects were studied. Blood samples ...
    • Mayaro Virus Disease: An Emerging Mosquito-Borne Zoonosis in Tropical South America 

      Tesh, Robert B.; Watts, Douglas M.; Russell, Kevin L.; Damodaran, Chitra.; Calampa, Carlos.; Cabezas, César. (Clinical Infectious Diseases, 2010-11-03)
      This report describes the clinical, laboratory, and epidemiological findings on 27 cases of Mayaro virus (MV) disease, an emerging mosquito-borne viral illness that is endemic in rural areas of tropical South America. MV ...
    • Endemic Venezuelan Equine Encephalitis in Northern Peru 

      Aguilar, Patricia V.; Greene, Ivorlyne P.; Coffey, Lark L.; Medina, Gladys.; Moncayo, Abelardo C.; Cabezas, César. (Emerging Infectious Diseases, 2010-11-03)
      Since Venezuelan equine encephalitis virus (VEEV) was isolated in Peru in 1942, >70 isolates have been obtained from mosquitoes, humans, and sylvatic mammals primarily in the Amazon region. To investigate genetic relationships ...