ISSN (Print) - 0012-9976 | ISSN (Online) - 2349-8846

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Trend in Dengue Incidence in Rajkot

Gujarat has been a dengue- burdened state with a high incidence of dengue recorded from 2010 to 2017 with major outbreaks recorded since 2013. Rajkot has shown an increasing trend in dengue cases in 2013, registering a 103% increase from 2012. The pattern of increasing cases can be attributed to water scarcity and storage practices in the slum areas. The spread of dengue is mapped, its causal factors interrogated, and actions for dengue prevention and management in Rajkot are recommended.


Dengue fever is a major cause of illness and death in subtropical and tropical countries. The vector-borne disease is caused by the dengue virus transmitted to humans by the infected mosquitoes Aedes aegypti and Aedes ablopictus (Nedjadi et al 2015). It is an arbo-viral infection with high incidence in India. Based on dengue endemicity and its public health concern, the World Health Organization (WHO) has kept India under category A, considering the disease as a leading cause of hospitalisation and death among children (WHO 2011).

Since the mid-1990s, outbreaks of dengue have shown an increasing trend, especially in the urban areas, and has quickly spread to new regions of Odisha, Arunachal Pradesh and Mizoram where it was historically non-existent (Chakra­varti et al 2012). The epidemio­logy of dengue in India was first reported in Chennai in 1780, and the first outbreak occurred in Kolkata in 1963. Subsequent outbreaks have been reported in different parts of India (Ramakrishnan et al 1963; Chaturvedi and Nagar 2008). The annual incidents of dengue cases have significantly increased in India since 2001. In the early 2000s, dengue was ende­mic in a few southern states like Maharashtra, Karnataka, Tamil Nadu, and Puducherry, and northern states like Delhi, Rajasthan, Haryana, Punjab, and Chandigarh. It has recently spread to other states, including the union territories (Mutheneni et al 2017).

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Updated On : 7th Jul, 2021
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