Irina Tabidze, epidemiologist targets syphilis

An epidemiologist brings science -- and determination -- to the war against syphilisTransmitted behind closed doors, camouflaged by easily overlooked early symptoms — a sore that doesn't hurt, a rash that doesn't itch — and capable of mimicking so many other diseases that it has been called "The Great Imitator," syphilis is a worthy foe.