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Health Policy and Planning Advance Access published online on March 31, 2006
Health Policy and Planning, doi:10.1093/heapol/czl009
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© The Author 2006. Published by Oxford University Press in association with The London School of Hygiene and Tropical Medicine. All rights reserved.

Original Papers

Household demand for typhoid fever vaccines in Hue, Vietnam

Do Gia Canh 1, Dale Whittington 2, Le Thi Kim Thoa 3, Nugroho Utomo 2, Nguyen Thai Hoa 4, Christine Poulos 5 *, Dang Thi Dieu Thuy 4, Dohyeong Kim 2, Andrew Nyamete 6, and Camilo Acosta 6

1 National Institute of Hygiene and Epidemiology, Hanoi, Vietnam
2 University of North Carolina at Chapel Hill, NC, USA
3 Medicine College, Hanoi, Vietnam
4 Preventive Medicine Center, Thua Thien Hue, Vietnam
5 Research Triangle Institute, NC, USA
6 International Vaccine Institute, Seoul, Korea

* To whom correspondence should be addressed.
Christine Poulos, E-mail: cpoulos{at}rti.org


  Abstract

The demand function for vaccines against typhoid fever was estimated using stated preference data collected from a random sample of 1065 households in Hue, Vietnam, in 2002. These are the first estimates of private willingness-to-pay (WTP) and demand functions for typhoid vaccines in a developing country. Mean respondent WTP for a single typhoid fever vaccine ranged from US$2.30 to US$4.80. Mean household WTP estimates (vaccinating all members of the household) ranged from US$21 to US$27. Demand was similar for vaccines with different degrees of effectiveness and intervals of duration. These results suggest a significant potential for private sector provision of typhoid fever vaccines in Hue.

Keywords: private demand; vaccines; willingness-to-pay; typhoid fever vaccines; contingent valuation.
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