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Malaria-attributable morbidity in Assam, north-eastern India.
V Dev1, C R Hira, M K Rajkhowa
1Malaria Research Centre (ICMR), Sonapur, Assam - 782 402, India. jainphotostat@hotmail.com
Annals of Tropical Medicine and Parasitology
|January 11, 2002
Summary
Malaria remains a persistent threat in Assam, India. Plasmodium falciparum caused most cases and all deaths, particularly during the rainy season, highlighting the need for improved health infrastructure to combat outbreaks.
Area of Science:
- Medical Entomology
- Epidemiology
- Public Health
Background:
- Malaria is endemic in Assam, India, with continuous transmission.
- Data from 1991-1999 indicate significant malaria-related morbidity and mortality in the region.
Purpose of the Study:
- To review malaria morbidity and mortality data in Assam from 1991-1999.
- To analyze the predominant Plasmodium species and factors contributing to malaria outbreaks.
Main Methods:
- Retrospective review of available malaria morbidity and mortality data from Assam (1991-1999).
- Correlation analysis between Plasmodium falciparum cases and malaria-related deaths.
- Analysis of seasonal patterns and demographic distribution of malaria deaths.
Main Results:
- Plasmodium falciparum was the predominant parasite, responsible for 58%-68% of malaria cases.
- All recorded malaria deaths were attributed to P. falciparum infections.
- Malaria deaths peaked during the rainy season (April-September) across all age groups and sexes.
Conclusions:
- Plasmodium falciparum poses the most significant threat in Assam, driving both cases and mortality.
- The study highlights the correlation between P. falciparum prevalence and mortality, emphasizing seasonal risks.
- Addressing factors contributing to focal outbreaks and strengthening health infrastructure are crucial for malaria control in Assam.