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According to a Lancet study, Covid limitations resulted in a significant decrease in dengue incidence in 2020.

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Peeyush Ghalot
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(Image Courtesy: – MIMS)

According to a study published in the Lancet, the incidence of dengue cases dropped dramatically as public venues were closed and individuals hunkered down in their homes. According to the researchers, historically low dengue incidence - 720,000 fewer dengue cases - happened in 2020 globally, which could be attributed to Covid-19-related disruption, which included movement restrictions. According to the study, which was published in The Lancet Infectious Diseases Journal, it is the first to analyze dengue data from 23 countries spanning the main dengue endemic regions of Latin America and Southeast Asia from the year 2020, and it could help in understanding and developing new and existing interventions for the vector-borne disease. The study's findings reveal that there is a continuous link between Covid-19-related disruption and lower dengue transmission that cannot be explained by seasonal or extra-seasonal dengue cycles or underreporting. The study found that these decreases happened during the start of the dengue season in many countries, with cases typically increasing between June and September in Southeast Asia, Central America, and the Caribbean. The dengue season in nine of 11 Central American and Caribbean nations, as well as the Philippines in Southeast Asia, was completely suppressed in 2020, with most other countries experiencing a significantly reduced dengue season. Despite above-average incidence earlier in the year, steeper than predicted declines were recorded in countries where public health and social initiatives began at the peak of the dengue season, such as in South America.

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