Colombie (1) Public health surveillance (1) Trypanosomiasis (1) Trust (1) Sex (Biology) (1) Serodiagnosis (1) Research (1) Population (1) Mules (1) Donkeys (1) Diseases (1) Confidence (1) Blood (1) Associations, institutions, etc (1) Animals (1) Anemia (1) Vigilancia epidemiológica (1) Confianza (1) Tripanosomiasis (1) Asnos (1) Factores (1) Serodiagnóstico (1) Información (1) Sangre (1) Población (1) Investigación (1) Mulos (1) Asociaciones (1) Sexo (1) Anemia (1)