Review EMERGING INFECTIOUS DISEASES AND TRAVEL MEDICINE. SPECIAL GROUPS OF TRAVELERS Adriana Hristea 1,2, Iulia Niculescu 2, Ruxandra Moroti 1,2, A. I. Luka 3, Victoria Aramă 1,2, Anca Streinu-Cercel 1,2, Mihaela Ion 2, March 1, 2010