In subsequent years (2000 and 2004), with funds from the Bank, coverage of the endemic area was gradually extended, as part of which houses underwent two cycles of chemical treatment, and post-spraying entomological evaluation was stepped up.
En los años subsiguientes (2000 y 2004), ya con recursos del crédito del Banco Interamericano de Desarrollo, se extiende gradualmente la cobertura del área endémica, completándose en parte de ella los dos ciclos de tratamiento químico domiciliar y se intensifican las evaluaciones entomológicas posrociado.