Human Immunodeficiency Virus (HIV) Testing Requirements for Entry into Foreign Countries An increasing number of countries require that foreigners be tested for Human Immunodeficiency Virus (HIV) prior to entry. It is usually required as part of a medical exam for long-term visitors (i.e., students and workers). The following list of country requirements is based on information available and is subject to change. Before traveling abroad, check with the embassy of the country to be visited to learn about entry requirements and specifically whether AIDS testing is a requirement. U.S. Department of State Therafirst Medical Center