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An overview of dengue viral infection circulating in Pakistan

1 Department of Biological Sciences, National University of Medical Sciences(NUMS), Rawalpindi, Pakistan
2 Department of Biotechnology and Genetic Engineering, Hazara University, Mansehra, Pakistan
3 Department of Zoology, University of Poonch Rawalakot, Pakistan
4 Department of Life Sciences, Abasyn University Islamabad Campus, Pakistan
5 Department of Human Nutrition and Dietetics, National University of Medical Sciences (NUMS), Rawalpindi, Pakistan
6 Division of Molecular Virology & Infectious Diseases, Centre of Excellence in Molecular Biology (CEMB), University of the Punjab, Lahore, Pakistan
7 Multidisciplinary Department, National University of Medical Sciences, Rawalpindi, Pakistan

Correspondence Address:
Liaqat Ali,
Department of Biological Sciences, National University of Medical Sciences (NUMS), Rawalpindi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-9062.331412

Background & objectives: Dengue virus (DENV) is an RNA virus that infected approximately 2.5 billion people around the globe. The incidence of dengue fever has rapidly increased at an alarming rate in the last few years and infected thousands of people in Pakistan. This review explores the prevalence, serotypes and pathogenesis of dengue virus circulating in Pakistan. Methods: A systematic review of observational studies published between 1994 and December 2019 was performed. All records of the confirmed outbreak of dengue fever in Pakistan were reviewed and excluded articles containing no primary data. Results: Four identified serotypes of Dengue (DENV 1-4) circulate in different regions of the world causing epidemics. The most prevalent serotype, which is still epidemic and dominant in Pakistan, is DENV-2. Many factors like over population, rapid urbanization, travelling, lack of vector control in dengue endemic areas and inadequate health-care are responsible of dynamic and huge raise of dengue in Pakistan. Interpretation & conclusion: Currently; there is no specific treatment for prevention of Dengue Virus. Recently some antiviral compounds are being tested to eradicate this disease. Further, still there is a need to develop an efficient and safe vaccine for all four serotypes to combat dengue viral infection globally and particularly in Pakistan.

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