Infection with TB means that you have the bacteria in your body. The majority of people who become infected with TB never actually develop the disease. This is because their immune system is protecting them from the bacteria and no symptoms are seen. Active disease means that you have symptoms of being sick including a cough that will not go away, feeling tired all the time, weight loss, loss of appetite, fever, coughing up blood, and night sweats . Keep in mind that these symptoms can also be seen in several other respiratory diseases, so it is important to see to see your doctor for appropriate diagnosis and treatment.
Tuberculosis is transmitted through the air by infectious particles called droplet nuclei.
Droplet nuclei are expelled when a person with active TB speaks, coughs, sings or sneezes. Alcoholics and IV drug abusers. Homeless persons and the medically underserved. Residents of long-term care facilities. HIV -infected individuals.