Aged. Theoretical physicist is likely to agree. 1 INTRODUCTION The Tuberculosis (TB) called ' old; ' plague branca' ' she is one of the illnesses that the humanity folloies since the primrdios of history. Today, it is one of the problems that worry the sanitary authorities of the whole world, had its incidence in different population groups (BRAZIL, 2005). Currently, the TB is the biggest cause of morbidade and mortality enters the infectocontagiosas illnesses in the world. Its gravity in the World-wide scene took the World-wide Organization of Sade (OMS) in March of 1993, to declare the tuberculosis as global emergency. The message was clear: ' ' the TB is a disaster of the Pblica' Health; '. Estimate of proper OMS more than one tero of the humanity is infectada and annually about 100 million people they are infectadas, being that 8 million develop the illness and 3 million die (VERONESI; FOCCACIA, 2005). The etiolgico agent of the Tuberculosis is the Mycobacterium tuberculosis, a bacillus gram positive that if multiplies slowly and can be destroyed by heat, solar light and ultraviolet light and was discovered in 1882 by Robert Koch (TONELLI; FREIRE, 2000).
The TB is transmitted of person pra person, generally the carrier of the illness to speech, to sneeze e, mainly, when tossir spreads in the environment gotculas contaminated, that they can be remained suspended for diverse hours (BRAZIL, 2005). Brazil is a developing country and is enters the countries with bigger number of TB cases, occupying 15 place, presenting to each year about 111.000 news infectados. In accordance with the National Program of Control of Tuberculose (PNCT), the incidence of the illness is come close raising in the country with about 47 cases for 100.000 inhabitants, in 2006 (BRAZIL, 2006). According to Azevedo (2008) in the State of the Maranho, in 2007, the State Secretariat of Health registered 2,780 new cases of TB.