Once rare in developed countries, tuberculosis infections began to rise in 1985, in part because of the emergence of HIV, the virus that causes AIDS. HIV weakens a person`s immune system, so it cannot fight the germs of tuberculosis. In the United States, tuberculosis began to decline in 1993 due to enhanced control programs, but remains a problem. In Vietnam, TB and HIV services are provided through independent and vertical programmes. Although data exchange mechanisms exist at all levels between the two programs (illustration), the actual exchange of data between provinces and districts is different. Therefore, integrating data on patients` HIV status and treatment into the TB system and on TB diagnosis and treatment is a challenge for patients in the HIV system. Although in 2012, the Vietnamese Ministry of Health adopted Decision No.