GIS to the Rescue – Controlling the Killer AIDS

GIS to the Rescue – Controlling the Killer AIDS

The 1st step is to identify all the risk transmitters’ category and like wise all the factors that propagate the growth of these categories. This is mostly a manual effort that becomes apparent from working in the field. The AIDS control society of India has identified the following as high risk transmitters…

Commercial sex workers (CSM)
Male sex male (MSM)
Intravenous drug users (IVDU)
Fishermen
Migrants
Construction workers
Street Children
Truckers

Similarly all the above transmitter categories have been analyzed on the basis of the following…

Population (Rural and Urban)
Proximity to major road networks
Proximity to railway network
Basic type of place (Tourist / business etc.)

Only the above have been included in the scope of this paper. Many more categories can be included but the rules for analysis remain the same.

We begin from a global perspective with the smallest unit being a taluk. The initial parameters for the study is to analyze for demographics Vs the spread of infected CSW across the state.

Fig.1 is the thematic map of taluk representing the spread of infected CSW. The intervals chosen are 4 in this case. At this stage we are analyzing from a global perspective for the purpose of focusing on specific areas. From the thematic map it is apparent that there are clearly segregated areas with high presence of infected CSW. For a realistic approach we confine the analysis to the top 3 interval areas of the thematic map.

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