Epidemiological and demographic characteristics of dengue and chikungunya infections over five years from 2014-2018, in Tamil Nadu, India

Authors

  • Dhanalakshmi Velusamy Department of Microbiology, Madurai Medical College, Madurai, Tamil Nadu, India
  • Suriakumar Jayakumar Department of Microbiology, Madurai Medical College, Madurai, Tamil Nadu, India
  • Varatharaj Ramakrishnan Department of Microbiology, Madurai Medical College, Madurai, Tamil Nadu, India
  • Rajamannar Veeramanoharan Vector Control Research Center, 4 Sarojini Street Chinna Chokkikulam, Madurai, Tamil Nadu, India
  • Bhavna Gupta Vector Control Research Center, 4 Sarojini Street Chinna Chokkikulam, Madurai, Tamil Nadu, India
  • Rajaiah Paramasivan Vector Control Research Center, 4 Sarojini Street Chinna Chokkikulam, Madurai, Tamil Nadu, India
  • Vasanthapriyan Moongilpatti Ramasamy Department of Microbiology, Madurai Medical College, Madurai, Tamil Nadu, India

DOI:

https://doi.org/10.18203/2394-6040.ijcmph20211747

Keywords:

Dengue, Chikungunya, IgM, Tamil Nadu, Seroprevalence

Abstract

Background: An epidemiological, demographic and seasonal trend analysis of dengue and chikungunya seroprevalence was performed in five districts of Tamil Nadu during 2014-2018.

Methods: Serum samples from the suspected patients were screened using IgM antibody ELISA.

Results: Dengue and chikungunya seropositivity ranged from 17.9-68.2% and 14.9-58.3%, respectively. Dengue cases were reported in all the years with a spike in 2017. Highest number of chikungunya cases was in 2018. Dengue cases peaked in the cooler months following monsoon while chikungunya data for seasonal trend analysis was not sufficient. Both viral infections were found common in the people >12 years, however, the difference of cases between males and females was not statistically significant.

Conclusions: The findings of this study indicate that both chikungunya and dengue are actively circulating in the state and the state health department needs to direct their efforts not only to control the spread but also on the future preparedness to prevent outbreaks.

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Published

2021-04-27

How to Cite

Velusamy, D., Jayakumar, S., Ramakrishnan, V., Veeramanoharan, R., Gupta, B., Paramasivan, R., & Ramasamy, V. M. (2021). Epidemiological and demographic characteristics of dengue and chikungunya infections over five years from 2014-2018, in Tamil Nadu, India. International Journal Of Community Medicine And Public Health, 8(5), 2287–2292. https://doi.org/10.18203/2394-6040.ijcmph20211747

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Original Research Articles