Rate of tuberculin reactivity among health care workers in Ibn Zuhur and Ibn Alkhateeb Hospitals

ABSTRACT

Background: Tuberculosis is one of the oldest diseases known to affect human, it caused by infection with Mycobacterium Tuberculosis, which is part of a complex organisms including M.bovis [reservior cattle] and M.africanum [reservior human]. Mycobacterium Tuberculosis is most commonly transmitted from a patient with infectious pulmonary TB to other person by droplet nuclei which are aerosolized by coughing, sneezing or speaking. Health care workers are exposed to a variety of infections, including TB. The standard test for detect latent TB infection is tuberculin skin test [Mantox test] using purified protien derivatives if Mycobacterium Tuberculosis