Incidence and Prevalence of Malaria in Thrissur District, Kerala: A Time Series Analysis
Journal Title: Journal of Communicable Diseases - Year 2018, Vol 50, Issue 1
Abstract
Objectives: Malaria continues to be the major health concern in India, with its massive progress, reemergence and drug resistance. Even though Kerala is a less-incidence zone, the reintroduction of parasites makes the state oversensitive. The present retrospective study was designed to evaluate the trends in specieswise, region-wise annual malaria incidence (2012–2016) and migrant malaria incidence (2014–2016) of Thrissur district, Kerala. Methods: The annual malaria surveillance data and monthly reports of migrant screening data were collected from the National Vector Borne Disease Control Program, Thrissur, and the data were analyzed using MS-excel 2008 and SPSS 20. Results: During the five-year study period, the district annual malaria incidence showed fluctuating pattern with a decline from 2014 to 2016. A total of 686 cases were reported, of which 528 were Plasmodium vivax cases, 70 were dreadful Plasmodium falciparum cases and 88 were mixed. Regional difference was found in malaria prevalence and reemergence. Compared to the indigenous people, migrants showed a gradual rise in the prevalence of malaria from 49.17% to 71.11% during 2014–2016 and migrant P. falciparum incidence increased from 4.16% to 30%. Conclusions: Our analysis showed annual decline in recent malaria cases. It also revealed the reemergence of P. falciparum cases in various eradicated regions, under the enormous impact of immigrants from different malaria-endemic areas. A sharp surveillance system, effective screenings and other multiple approaches are vital for the complete eradication of the parasitic condition.
Authors and Affiliations
Dr. E Pushpalatha,
Keywords
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- EP ID EP284964
- DOI 10.24321/0019.5138.201804
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