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A Comprehensive Seroepidemiology of Dengue and Chikungunya Arboviruses in Iran, 2020–2023 Publisher Pubmed



Seyedkhorami SM1 ; Mostafavi E2 ; Gerdooei S1 ; Sajadi SM1 ; Asadi LF1 ; Jalali T1 ; Pouriayevali MH1 ; Nikpour F3 ; Mirolyaei A3 ; Raeisi A3 ; Arshi S4 ; Gouya MM4 ; Enayati A5 ; Zaim M6 Show All Authors
Authors
  1. Seyedkhorami SM1
  2. Mostafavi E2
  3. Gerdooei S1
  4. Sajadi SM1
  5. Asadi LF1
  6. Jalali T1
  7. Pouriayevali MH1
  8. Nikpour F3
  9. Mirolyaei A3
  10. Raeisi A3
  11. Arshi S4
  12. Gouya MM4
  13. Enayati A5
  14. Zaim M6
  15. Salehivaziri M1
Show Affiliations
Authors Affiliations
  1. 1. Department of Arboviruses and Viral Hemorrhagic Fevers (National Reference Laboratory), Pasteur Institute of Iran, 69 Pasteur Ave., Tehran, 1316943551, Iran
  2. 2. Department of Epidemiology, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Tehran, Iran
  3. 3. Vector Borne Diseases Control Department, Iran CDC, Ministry of Health and Medical Education, Tehran, Iran
  4. 4. Iranian Center for Communicable Disease Control, Ministry of Health and Medical Education, Tehran, Iran
  5. 5. Department of Medical Entomology and Vector Control, School of Public Health and Health Sciences Research Center, Mazandaran University of Medical Sciences, Sari, Iran
  6. 6. Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Source: Virology Journal Published:2024


Abstract

Aim: Dengue virus (DENV) and Chikungunya virus (CHIKV) are the most common arthropod-borne viruses (Arboviruses) globally. So far, no autochthonous cases of DENV and CHIKV infections have been reported in Iran. Nevertheless, due to the recent identification of Aedes aegypti in the south and Aedes albopictus in the north of Iran, the country is at a serious risk of local outbreaks of these infections. Methods: Between 2020 and 2023, a comprehensive cross-sectional study was conducted to explore the anti-DENV and CHIKV IgG antibodies in the general populations of both southern and northern regions of Iran using ELISA. Results: A total of 11,192 participants were included, of whom 2.3% (256 individuals) and 0.1% (11 cases) were DENV seropositive and CHIK seropositive, respectively. Across the eight examined provinces, Sistan and Baluchestan province displayed the highest prevalence of dengue seropositive cases (6.80%) (P < 0.001). Samples collected in 2022 demonstrated a notably higher seropositive rate of 5.5% (P < 0.001). Interestingly, all 11 CHIKV seropositive cases were from Sistan and Baluchestan province. Conclusion: The seroprevalence of DENV was notably higher in southern regions, particularly in Sistan and Baluchestan province and CHIKV seropositive cases were exclusively found in Sistan and Baluchestan province. This study furnishes crucial insights into the seroepidemiology of DENV and CHIKV in Iran, which in conjunction with the presence of Ae. aegypti in the south and Ae. albopictus in the north of Iran, emphasizes the requirement of improving integrated surveillance and control systems in the whole of the country, especially in the south of Iran. © The Author(s) 2024.
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