Tuberculosis, or TB, is an infectious bacterial disease caused by Mycobacterium tuberculosis, which most commonly affects the lungs. It is transmitted from person to person via droplets from the throat and lungs of people with the active respiratory disease. In healthy people, infection with M. tuberculosis often causes no symptoms, since the person's immune system acts to 'wall off' the bacteria. The symptoms of active TB of the lung are coughing, sometimes with sputum or blood, chest pains, weakness, weight loss, fever and night sweats. Tuberculosis is treatable with a six-month course of antibiotics.
WHO: People most at risk of HIV are not getting the health services they need
Failure to provide adequate HIV services for key groups – men who have sex with men, people in prison, people who inject drugs, sex workers and transgender people – threatens global progress on the HIV response, warns WHO.
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Communicable Diseases and Health Analysis Department