Data on immunisation are often recorded on surveys on child health. Immunization, however, has been a particular focus of projects in Liberia, Mexico and Pakistan.
The cost of a measles epidemic in the Mexican state of Guerrero was the subject of the article: Andersson, N., Paredes, S., Legorreta, J., Ledogar, R.J. Who pays for measles? The economic argument for sustained universal child immunization. Health Policy and Planning 1992; 7(4):352-63.
Household cost-benefit decisions about childhood immunization is the subject of a cluster randomized trial in the Lasbela district of Pakistan. Five articles describing the results of this trial have been published in BMC International Health and Human Rights and can be found at