Back ground- The study was conducted in the ICTC of state referral G. B. Panth teaching Hospital, under the Department of Microbiology, with the help of Tripura Aids Control Society (TSACS) during the period since inception (1997) to 1999 and 1999 to 2009(31st Dec) to analyze the trends, prevalence rate, of HIV infection. Objectives - To study the prevalence rate of HIV infection among the persons attending in the ICTC centre along with occupational distribution, route of transmission and also to identify associated risk group. Results - Blood samples of 37,452 were collected only after pre-test counselling and get signed by person concerned as per National Aides Control organization (NACO) guidelines. Reports were dispatched after post test counselling with strict confidentiality. Out of total 37,452 blood samples tested during the period from 1997 t0 2009(31st Dec), out of that 421(8.89%) cases were positive. Among the all seropositive cases 307(73%) were male and 114(27%) were female respectively. Male to female ratio in HIV seropositive individuals were 2.69;1. The District wise distribution of HIV seropositive cases of Tripura state were maximum in West District 239(56.76%) following North District 99(23.51%) of the state. Heterosexual route of transmission were found 396(94%) among the total positive cases. As per occupation concern, the defense personnel 158(37.52%) were most dominant group among all HIV positive cases. Maximum Seropositivity of HIV infections were prevalent among 30 -39 years age groups.
