document: The health department said it is providing tuberculosis testing and treatment for the Human Resources Administration 's program for the homeless , and will train staff members on tuberculosis prevention and control . The department also has an established residence for homeless tuberculosis patients , and is working with substance-abuse treatment services to extend tuberculosis prevention in its programs . The Board of Health approved a resolution last year requiring all children entering city schools to be tested . The Health Department estimates that one million New Yorkers may be infected by the TB germ . But only a fraction of a percent of those who have active tuberculosis disease can spread the infection to susceptible individuals . The germ is inactive in more than 99 % of those infected . Those at high risk for contracting TB are people whose capacity for resisting infection is weakened , either through diseases such as HIV infection , by drug or alcohol abuse , serious illness such as cancer , or by poor nutrition . The greatest concentration of tuberculosis was in the 25-to-44 age group , accounting for 57 % of the total . Men outnumber women two to one in the caseload .
extractive_keyphrases: active tuberculosis disease health department tuberculosis testing tuberculosis prevention control