When a student, teacher, or supervisory staff member goes abroad, their home-country health cover is usually not valid. Their level of protection is then largely insufficient for the costs of care they may have to face, which vary greatly from one country to another, and are sometimes very high. Hence, the importance of taking out international health insurance to avoid excessive costs— it covers health expenses that are scarcely (or not at all) reimbursed by the staff member’s basic plan!