Dengue in COVID 19 pandemic year 2020- Enquiry into the unanswered question of 2020?

Original Article

Author Details : Rajeshwari K G*, Hannah Abhinaya, Brunda M S , Arushi Mohan

Volume : 8, Issue : 2, Year : 2021

Article Page : 123-127

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Introduction: India along with the world is facing one of the worst pandemic in recent times with COVID-19. Emergence of SARS-CoV-2 in dengue virus (DENV)–endemic areas has raised concern regarding coinfection with the two viruses Difficulty in distinguishing dengue and COVID-19, particularly during the acute stage, can engender inaccurate diagnoses.
Objectives: To study the trends in Dengue infections during the COVID 19 pandemic and previous 2 years.
Materials & Methods: A retrospective study considering all the Dengue serology tests over the period of 3 years was considered. Dengue serology tests by Dengue Rapid card, COVID RT PCR, COVID 19 IgM & IgG.
Results: Spiking of cases in alternate year in Karnataka.
2250, 5070,2284 samples processed fro Dengue in 2018,2019 & 2020. The positive percentage was 10.3% in the year 2019. Dengue NS1 & IgM positive cases were more as the cases seeked support of healthcare at the initial phase of fever. Environmental factors did not have a significant role to play in the state.
Conclusion: Study on cellular & immunolgical mechanisms of COVID 19 virus will lead to improved diagnsotic modalities and correct interpretation of test results preventing fatal outcomes. Encouraging vaccination for COVID-19 will reduce fatal outcomes.

Keywords : COVID 19, Dengue, Coinfection, RT PCR, Vaccination.

How to cite : Rajeshwari K G, Abhinaya H, Brunda M S, Mohan A, Dengue in COVID 19 pandemic year 2020- Enquiry into the unanswered question of 2020?. Indian J Microbiol Res 2021;8(2):123-127

Copyright © 2021 by author(s) and Indian J Microbiol Res. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (

Article History

Received : 24-06-2021

Accepted : 28-06-2021

Available online : 30-07-2021

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