Clinical Research Directory

1. Inclusion Criteria : 1. For all participants in the EOP study : * Major subject (age ≥ 18) * Owns a smartphone compatible with electronic data collection * Preparing to travel outside mainland France * Affiliated with or covered by Social Security or private insurance * Willing to participate in the EOP study 2. For the EOP-Arbo Sub-study : \- Subject who has consented to participate in the EOP\_Arbo study. 3. For the EOP-AMR Sub-study : * Subject who has consented to participate in the EOP\_AMR study. 2. Exclusion Criteria: 1. For all participants in the EOP study : * Travel duration ≤ 3 days * Travel duration \> 12 months * Person traveling as part of an expatriation without planned movement outside the settlement in the destination country * Person under legal protection or unable to express consent for participation 2. For the EOP-Arbo Sub-study : \- Individuals deemed clinically and/or biologically unfit by the investigator to undergo the blood samples required for the study. 3. For the EOP-AMR Sub-study : * No specific exclusion criteria.