¹Nithya M C,²Sruthi M V,³ C R Saju,⁴M Mohammed Rafi

¹Junior resident, Department of Community Medicine, Amala Institute of Medical Sciences, Thrissur, Kerala, India

²Assistant Professor, Department of Community Medicine, Amala Institute of Medical Sciences, Thrissur, Kerala, India

³Professor and HOD, Department of Community Medicine, Amala Institute of Medical Sciences, Thrissur, Kerala, India

⁴Entomologist; Department of Community Medicine, Amala Institute of Medical Sciences, Thrissur, Kerala, India

Introduction: Dengue is one of the most important arboviral disease in Kerala. Development of the control measures mainly depends upon the knowledge regarding the bionomics of mosquito. The larval indices are one of the methods of entomological surveillance, which can predict the outbreak of mosquito borne diseases. The hospital premises need to be mosquito free and need to be safe place for staff and patients. Hence, the present study was done to calculate the standardized larval indices, trends and to determine major breeding source in hospital campus of, Thrissur district, Kerala.

Methods: A cross-sectional study was conducted over a period of five months in a hospital campus. The team of investigators consisting of 1 post graduate student, 5 undergraduate students, and one MSW, under the guidance of entomologist visited the houses and hospital premises. The houses were surveyed for indoor and outdoor water holding containers and inspected for the presence of mosquito larvae. The larval indices like House Index (HI), Container Index (CI) and Breteau Index (BI) were calculated.

Results: In this study, all the entomological indices were found to be above critical level from August (CI=20.33, HI= 35.71%, BI= 69) to November (CI= 25.86%, HI= 48.57%, BI=86). Health education & source reduction was done during the time of survey. In December the indices showed a decline trend (CI=17.95%, HI= 7.14%, BI=10). The commonest species of mosquito identified was Aedes albopictus.

Conclusions: Mosquito borne diseases can be avoided by health education & source reduction.

Hospital campus, larval indices, Thrissur

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Volume 05 Issue 07 July 2022

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