[Bacterial colonization after applying an educational program: A quasi-experimental study].

Introduction: Educational interventions can raise awareness and understanding in population groups and may help to achieve changes in behavior.

Objective: To determine if the educational handwashing program applied to high-school students reduces the colonization of infectious bacteria on the hands.

Methods: A non-randomized quasi-experimental study was carried out using consecutive sampling of the students of the last year of high-school who were divided into an intervention group and a control group.