Consumer willingness to pay for a hypothetical Chagas disease vaccine in Brazil : a cross-sectional study and the implications

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Athie, Thannuse Silva and Nascimento, Gesiane Cavalcante and da Costa, Maria José Labis and de Sales Silva, Juliana and Reis, Edna Afonso and Martin, Antony Paul and Godman, Brian and Godói, Isabella Piassi (2021) Consumer willingness to pay for a hypothetical Chagas disease vaccine in Brazil : a cross-sectional study and the implications. Journal of Comparative Effectiveness Research, 10 (8). pp. 659-672. ISSN 2042-6313 (https://doi.org/10.2217/cer-2020-0241)

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Abstract

Aim: Chagas disease is a serious public health problem, endemic in 21 countries in Latin America. A future vaccine can contribute to decreasing the number of cases and its complications. Methods: A cross-sectional study was conducted with residents of the northern region of Brazil, on the willingness to pay for a hypothetical vaccine against Chagas disease (effective protection of 80%). Results: We interviewed 619 individuals and seven were excluded from the analysis and the value of willingness to pay was US$23.77 (100.00 BRL). Conclusion: The Northern region of Brazil is one of the largest markets for this vaccine, due to its epidemiological relevance, so economic studies with this vaccine will be important to assist in the assessment of technologies.

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