The present research on "knowledge level and biosecurity practices in the internal MOH Hospital Nursing II-2 Tarapoto. June to August 2012, was raised as simple descriptive research cross section with a quantitative approach, it aimed to determine the level of knowledge and practice biosecurity measures internal MOH Hospital nursing Tarapoto II-2 June - August 2012. The sample was represented by 21intemal MOH Hospital nursing Tarapoto II-2, who met the inclusion criteria. To collect the information was used as the survey method and two instruments: the questionnaire was structured to determine the level of knowledge about biosecurity measures in nursing internal MOH Hospital II-2 Tarapoto and checklist determine the level of biosecurity practices in them. The data were systematized using the Microsoft Excel statistical package SPSS version 17.0 2007. and findings included: 48% of nursing...