Emergence of dengue in Nepal

  • Birendra Prasad Gupta
  • Mahesh Lamsal
  • Sudhikshya Chaulagain
  • Ramanuj Rauniyar
  • Rajani Malla
  • Smita Shrestha
  • Roshan Kurmi
  • Krishna Das Manandhar
Review Article
  • 27 Downloads

Abstract

Dengue virus is a major health problem in Nepal. The endogenous dengue appeared in 2006 in the country with reported outbreaks in 2010, 2013 and 2016. Eleven years vertical data show there were sporadic cases in all the years and mostly adults between 25 and 40 years of age were infected with dengue virus. Compared with primary infections, secondary infections were observed in relatively larger numbers during the period of 2008–2016. Most of the cases had symptoms of dengue fever; while 7 and 19 cases demonstrated dengue hemorrhagic fever/dengue shock syndrome in 2010 and 2013 respectively. The proportion of dengue hemorrhagic fever amongst all cases of dengue fever was 2.5:4.7% in 2010 and 2013. We found there is shift of serotype from dengue virus serotype-1 (DENV-1) in 2010, DENV-2 in 2013 and DENV-1 in 2016. We feel there is urgent need for better community, hospital and laboratory based surveillance system capable of monitoring the circulating dengue virus (DENV) serotypes in different districts of Nepal. With improvement in surveillance system and efficient management of cases, the case fatality rate due to severe dengue can be reduced.

Keywords

Dengue Monsoon Altitude Climate change Seroepidemiology 

Notes

Acknowledgements

The authors are grateful Virology Laboratory, Central Department of Biotechnology. We would like to thank Dr. Roshan Kurmi for clinical evaluation of dengue suspected patient from 2013 Dengue outbreak and EDCD for providing data.

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Copyright information

© Indian Virological Society 2018

Authors and Affiliations

  • Birendra Prasad Gupta
    • 1
    • 3
  • Mahesh Lamsal
    • 1
  • Sudhikshya Chaulagain
    • 1
  • Ramanuj Rauniyar
    • 1
  • Rajani Malla
    • 1
  • Smita Shrestha
    • 1
  • Roshan Kurmi
    • 2
  • Krishna Das Manandhar
    • 1
  1. 1.Virology Laboratory, Central Department of BiotechnologyTribhuvan UniversityKirtipurNepal
  2. 2.Bhawani HospitalBirgunj, ParsaNepal
  3. 3.Central Diagnostic Laboratory and Research Center Pvt. LtdKathmanduNepal

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