India has witnessed a slight increase in dengue cases this year, reaching 234,427 cases as of November 30. This figure surpasses the cases reported in 2022 (233,251) and 2021 (193,245), indicating an upward trend in the disease’s prevalence.
The transmission of dengue in India is a year-round phenomenon in many states. The incidence of this disease tends to spike significantly during the monsoon season and continues through the post-monsoon period. This pattern is closely linked to environmental conditions conducive to the proliferation of the Aedes aegypti mosquito, the primary vector of dengue. Factors such as rain, humidity, and temperature variations play a crucial role in this increase.
The current year has been particularly challenging due to the impact of global climate change, the effects of El Niño, and uneven precipitation. These factors have contributed to an increase in the density of dengue vectors across the country, leading to a rise in the number of cases. The situation reflects the complexity of controlling vector-borne diseases in the context of global environmental changes.
Palabras clave: Dengue, India, cases, monsoon, climate change, Aedes aegypti, El Niño, public health, vectors, vector-borne diseases.
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