ReviewPLoS neglected tropical diseases2026
Distribution of Aedes aegypti and Aedes albopictus, and the current situation of dengue fever and chikungunya in Iran and neighboring countries: a review study.
Review in PLoS neglected tropical diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- A dual-method assessment of West Nile and Chikungunya viruses in blood donations from Fars province, southwestern Iran.Parasite epidemiology and control · 2026Article
- Epidemiology and seasonal patterns of hospitalized dengue cases in Muscat Governorate, Oman (2022-2023): A retrospective study.PloS one · 2026Article
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11 authors.
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Abstract
introductionAedes-borne diseases, such as dengue and chikungunya, are public health threats worldwide. Due to climate change and the expansion of Aedes mosquitoes, several countries are reporting the local transmission of Aedes-borne arboviruses. In 2024, Iran faced a significant rise in the number of imported dengue cases and the first local transmission of the disease in the southern provinces of Hormozgan and Sistan and Baluchistan. This review summarizes the latest data on the distribution of invasive Aedes mosquitoes and the epidemiological status of dengue fever and chikungunya in Iran and neighboring countries.
methodsA comprehensive search was carried out on papers and reports concerning epidemiological records and studies on dengue fever, chikungunya, Aedes aegypti (Ae. aegypti), and Aedes albopictus (Ae. Albopictus), as well as the recent situation in Iran and neighboring countries since 2000. Meanwhile, the epidemiological trend and milestones of these arboviruses and their vectors in Iran and their last updates in neighboring countries were assessed.
resultsIn addition to Iran, at least nine neighboring countries including Armenia, Turkey, Iraq, Afghanistan, Pakistan, the United Arab Emirates, Oman, Qatar, and Saudi Arabia have reported the establishment of Ae. aegypti and/or Ae. albopictus mosquitoes. Local dengue virus transmission was reported in Iran, Pakistan, Afghanistan, Oman, the United Arab Emirates, and Saudi Arabia. However, the local circulation of chikungunya virus was only reported in Pakistan.
conclusionThe establishment of Ae. aegypti in southern Iran (Hormozgan, Sistan and Baluchistan, Bushehr) and Ae. albopictus in northern/northwestern provinces (Guilan, Mazandaran, Ardabil, East Azerbaijan, Zanjan, Qazvin) has created distinct arbovirus transmission risks. Local dengue outbreaks in 2024 were exclusively reported in Ae. aegypti-infested areas (Chabahar, Bandar Lengeh), correlating with this vector's known efficiency in urban transmission. While chikungunya remains undocumented in local mosquito populations, serological evidence and recent report of the infected non-Aedes species suggest potential cryptic circulation. With climate models predicting habitat expansion for both vectors, Iran's emerging Aedes-borne diseases' burden could escalate if no action is planned. This underscores the imperative for integrated surveillance targeting mosquito distributions, human case trends, and cross-border pathogen flow to mitigate outbreak risks.
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