Risk of Neglected Zoonotic Malaria in Western Ghats: How the Ecosystem Favors Transmission of an Impending Public Health Threat

Tulasi Karumuthil Field Unit, ICMR-National Institute of Malaria Research, Chennai, India;
Academy of Scientific and Innovative Research, Ghaziabad, India

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Alex Eapen Field Unit, ICMR-National Institute of Malaria Research, Chennai, India;
Academy of Scientific and Innovative Research, Ghaziabad, India

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ABSTRACT.

The threat of zoonotic malaria remains largely overlooked in India, particularly in regions such as the Western Ghats (WG), a biodiversity hotspot. The WG has diverse species of non-human primates that serve as reservoir hosts for simian malaria parasites. The presence of the Leucosphyrus group of mosquitoes and other vectors of human malaria makes WG vulnerable to the risk of parasite spillover. Natural and anthropogenic factors have contributed to rampant changes in the WG landscape, leading to increased interaction with the sylvatic hosts and vectors. The simian host–human–vector–environment interactions govern the transmission dynamics of zoonotic malaria; however, our knowledge of these interlinkages, encompassing the effect of anthropogenic disruptions in the WG is limited. The impending threat of zoonotic malaria in India could decelerate progress toward malaria elimination, warranting a comprehensive and systematic investigation of disease dynamics in the WG.

Author Notes

Current contact information: Tulasi Karumuthil and Alex Eapen, Field Unit, ICMR-National Institute of Malaria Research, Chennai, India, and Academy of Scientific and Innovative Research, Ghaziabad, India, E-mails: tulsikvotpm@gmail.com and alexeapen@yahoo.com.

Address correspondence to Alex Eapen, Field Unit, ICMR-National Institute of Malaria Research, NIE Campus, R-127, 2nd Main Road, TNHB, Ayapakkam, Chennai, India, 600077. E-mail: alexeapen@yahoo.com
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