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Government underestimated dengue fever in India by factor of 282, finds study

BMJ 2014; 349 doi: https://doi.org/10.1136/bmj.g6152 (Published 09 October 2014) Cite this as: BMJ 2014;349:g6152
  1. Priyanka Pulla
  1. 1Bangalore

Official estimates of the annual incidence of dengue fever in India are lower than the actual number by a factor of 282, a study has found.

The researchers estimated that between 2006 and 2012 the average number of new cases of dengue fever was 5 778 476 a year, instead of the 20 474 reported by India’s National Vector Borne Disease Control Programme. The study was published in the American Journal of Tropical Medicine and Hygiene.1

Since India experienced its first epidemic of dengue fever in 1963-64 outbreaks have grown larger and more frequent. Severity of symptoms and numbers of deaths from the disease have also increased, with the first epidemic of dengue haemorrhagic fever and dengue shock syndrome occurring in Delhi in 1996. While an episode of the illness is mild in …

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