Willingness to pay for a dengue vaccine in Iran: Insights from a contingent valuation study

Moslem Soofi, Ali Kazemi-Karyani, Zahra Alipoor, Hekmatolla Mahmoodi and Behzad Karamimatin

PLOS Neglected Tropical Diseases, 2026, vol. 20, issue 1, 1-11

Abstract: Background: Vaccination is crucial for controlling infectious diseases like dengue. Vaccine acceptance and willingness to pay (WTP) significantly impact vaccination programs’ success but remain unexplored in Iran. This study estimates the population’s WTP for a dengue vaccine (DV) and its determinants. Methodology and principal findings: This descriptive-analytical study involved 1,031 adults aged over 18 years. WTP for the DV was estimated using the double-bounded dichotomous choice (DBDC) contingent valuation method (CVM) with an interval data approach. Model parameters were estimated via the maximum likelihood method. Data analysis was conducted using Stata version 17. Approximately 66% of participants indicated a WTP for a DV. The mean WTP was 11,129,000 Iranian Rials (IRR) (95% CI: 10,374–11,884; p

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pntd00:0013869

DOI: 10.1371/journal.pntd.0013869

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