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Observational, cross-sectional, populational study to determine the prevalence of infection by hepatitis B virus (HBV), hepatitis D virus (HDV), human immunodeficiency virus (HIV) and human T-lymphotropic virus type 1 and 2 (HTLV-1/2) in the Matses ethnic group, after immunization against HBV. ELISA and qPCR tests were used in 963 residents. The prevalence of HBsAg, Anti-HBc and Anti-HBs was 3.32%, 36.03% and 58.67% respectively. In 3.1% of the population the viral load was greater than 2000 IU/mL. In children under 10 years, the prevalence of HBsAg and anti-HBc was 0.0% and 2.6%, respectively, while protective antibodies were found in 94.4%. The prevalence of HIV and HTLV-1/2 infection was 1.5% and 0.6%, respectively. It is therefore concluded that there are low rates of HBV and HDV infection in the Matses child population. Likewise, the presence of HIV and HTLV-1/2 infection is confirmed.

El pueblo Kandozi cuenta con una poblacion aproximada de 2 346 habitantes, distribuidos en 44 comunidades principales y 6 asentamientos poblacionales con miras a transformarse en comunidades, las cuales se ubican en las provincias del Datem del Maranon. Las comunidades viven a la ribera del rio Huitoyacu, Chapuli, Morona y Pastaza, Alto Nucuray y en el lago Rimachi y pertenecen a la familia linguistica Jibaro (figura 4).

Objetivos. Identificar a los pobladores indígenas afectados por tuberculosis (TB) en el Perú durante el año 2008. Materiales y métodos. Estudio observacional, descriptivo, realizado de agosto a diciembre de 2009, que incluyó a los pacientes indígenas afectados por tuberculosis que ingresaron al programa durante el año 2008, de las 25 regiones del Perú; los cuales se presentan en tablas y gráficos elaborados en SPSS 16.0 y Excell 2007. Resultados. Se identificó a 702 indígenas con tuberculosis. El grupo étnico que presenta la mayor cantidad de pacientes con TB son los quechuas (417/702; 59,4%), los indígenas amazónicos (201/702; 28,6%) de los cuales los grupos étnicos que presenta más del 60% de indígenas con TB, son los Ashaninka (Campas), Shipibo y Matsiguenga. En tercer lugar se encuentran los indígenas aymaras quienes presentaron (84/702; 11,97% de todos los pacientes diagnosticados con TB). Es importante mencionar que la distribución de los casos de tuberculosis multidrogoresistente involucra a cinco departamentos (nueve casos con TB MDR), siendo mayor el número de casos de TB MDR antes tratado 6/9, encontrándose sólo tres casos de TB MDR nuevos, pertenecientes al grupo indígena quechua. Conclusiones. Se han reportado altas tasas de incidencia en población indígena, lo que hace necesario investigaciones más profundas que garanticen la adecuada recolección de información por grupos étnicos a fin de contar con una evidencia de mayor jerarquía acerca de la situación de la tuberculosis en población indígena del Perú. Objective. To identify the indigenous inhabitants affected by tuberculosis (TB) in Peru during the year 2008. Material and methods. Descriptive observational study, performed from August to December 2009, including all indigenous patients affected by tuberculosis that were including in the Control Program during the year 2008 in the 25 regions of Peru. Results. We identified 702 indigenous patients with tuberculosis. The ethnical groups that have most patients were the Quechua group (417/702; 59.4%) and the Amazonic indigenous (201/702, 28.6%). Out of the Amazonic, more than 60% belonged to the Ashaninka (Campas), Shipibo and Matsiguenga groups. In third place, we found the Aymara natives, who had 84/702 (11.97%) of cases of tuberculosis. It is important to mention that the distribution of the cases of multidrugresistant tuberculosis (MDR TB) involves five departments (nine cases of MDR TB), being the greater number of cases of MDR TB in patients previously treated (6/9), and only 3 cases were primary MDR TB, belonging to the quechua group. Conclusions. High incidence rates of tuberculosis in indigenous population have been found, which raises the need of further research in order to guarantee the correct gathering of information in ethnic groups in order to have more and better evidence about the situation of tuberculosis in the indigenous population of Peru.