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Annual Sentinel surveillance
HIV Sentinel Surveillance Round is carried out annually across the country at ANC, STD and HRG sites with standardized methodology as per NACO guidelines. HIV Sentinel Surveillance is the most important tool to monitor HIV epidemic in the country. Surveillance data are also used for estimating key epidemiological parameters, such as HIV burden, new infections and deaths due to AIDS as well as important programme parameters such as need for ART & PPTCT.

Surveillance is a vital component of Strategic Information that provides useful inputs for setting up priorities, planning interventions, resource allocation and evaluation of impact under the National AIDS Control Programme (NACP).

In Chandigarh HIV screening started in 1987 and sentinel surveillance for HIV started in year 1993.

Eight sentinel sites are undertaking HIV sentinel surveillance in Chandigarh, one Ante Natal Clinic (ANC) site, two Sexually Transmitted Diseases (STD) sites, three Female Sex Workers (FSWs), one Intravenous Drug Users (IDUs) and one for Men Having Sex With Men (MSMs).

TREND OF HIV EPIDEMIC FROM YEAR 1999 TO 2007
SENTINEL SURVEILLANCE - MEAN PREVALENCE
STD ANC FSW IDU MSM
1999 1.77 0.75 0 0 0
2000 3.35 0 0 0 0
2001 3.77 0 0 0 0
2002 1.8 0.25 0 0 0
2003 1.0 0.50 0.60 0 0
2004 1.8 0.50 0.80 4.80 1.36
2005 1.0 0 0.70 9.2 1.6
2006 1.66 0.25 0.67 17.6 4.8
2007 0.42 0.25 0.4 8.64 3.6
* Further reports not released yet by NACO. For More information link to naco.nic.in