<p>It was conducted by an epidemiologist team, a retrospective cohort investigation. A questionnaire was applied to all first-year trainee 2022 who provided a written consent. Were considered suspects all with self-reported history of CLM in 2022, no laboratory diagnose was performed. Sociodemographic characteristics, behavioral factors, and environmental investigation of academy grounds were described and calculated Relative Risk (RR) with significance level: p&lt;0.05 and 95% CI to analyze associations and possible risk factors of CLM.</p>