پارس فایل

مرکز دانلود انواع فایل های دانشجویی و دانش آموزی(تحقیق,پاورپوینت,پروژه,مقاله,فایل فلش و ...)

پارس فایل

مرکز دانلود انواع فایل های دانشجویی و دانش آموزی(تحقیق,پاورپوینت,پروژه,مقاله,فایل فلش و ...)

Tuberculosis in association with travel

AbstractThroughout history, tuberculosis has been spread by the movement of human populations. Modern travel continues to beassociated with risk of tuberculosis infection and disease. TB transmission has been documented on commercial aircraft, frompersonnel or passengers to other personnel and passengers, but the risk of transmission is low. As in other settings, the likelihood oftransmission is proportional to duration and proximity of contact. Travellers from low incidence to high incidence co ...