Year : 2019 | Volume : 7 | Issue : 3 | Page : 65 - 69  

Original Articles
Water Pollution and Vector borne Diseases – A Study Based on Geographical Location in Khammam District of Telangana state

Rambabu Ayyadevara,

Deputy Director, NVBDCP, Government of Telangana                              



Background: Health status of the humans up to some extent is controlled by the geographical factors. Certain diseases are region specific. Thus geography has a pivotal role to play in the analysis of health related issues and area specific diseases.

Objective: To find out the trend in the incidence of vector borne diseases in the study area, to compare the prevalence of the diseases between the tribal (agency) and non tribal (plain) areas, to probe into the causal factors for the variations in the incidence, to offer policy measures and intervention

Methods: Data with regards to incidence of Malaria, Dengue and Chikungunya from 2011 to 2015. Data for 2016 up to August was collected from the 58 public health centers (PHCs) of the district of which 38 were in tribal areas, while the remaining 18 were in plain areas. Data for 2016 is related exclusively to malaria and for the sake of comparison; data pertaining to malaria was also collected PHC wise. Simple techniques of analysis like percentages and ratios were used 

Results: Data with regards to malaria shows that positive cases were 3171 in 2011 out of 423040 blood samples accounting for 7.5%. They decreased in absolute number to 1153 in 2012 and increased to 1697 in 2013. Again they increased 2990 in 2014 and decreased to 1822 in 2015. A jig jag trend is evident in the prevalence. However between 2011 and 2015 total positive cases of malaria have decreased by 42.5% in the district. Further, the data reveals that PF positive represents tribal areas have been abnormally higher when compared to PV positive representing non tribal areas. It implies that the incidence of malaria in tribal area poses a threat to the health of the people. However the decreases in positive cases from 2011 to 2015 in the tribal areas were 42.83% against 20% in the non tribal area. The ratio of malaria incidence between non tribal and tribal areas is 1:78 in 2011 and it decreased to 1:56 in 2015.

Conclusion: Dengue affliction showed irregular trend. In the recent months dengue has been affecting more people in the Mandal areas. Malaria is a major pubic health problem in the tribal area due to the geographical factors and its incidence is mostly in the tribal habitations

Key words: Dengue, Malaria, Chikungunya, tribal areas, primary health centre


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