1.World Declaration on the survival, protection and development of children and plan of action for implementing the World Declaration on the survival, protection and development of children in the 1990s. World Summit for Children. United Nations. New York, 1990.
2.Morbidity Mortality Weekly Report. Absence of reported measles. United States. November 1993. MMWR 1993; 42 925–6.
3.Peltola, H, Heinonen, OP.Valle, M et al. , The elimination of indigenous measles, mumps and rubella from Finland by a 12-year, two-dose vaccination program. N Engl J Med 1994; 331: 1397–402.
4.Snedecor, GW.Cochran, WG. Statistical methods. Ames: Iowa State University Press. 1968; 515.
5.Rothman, KJ. Modern epidemiology. Boston: Little, Brown and Company, 1986; 213.
6.Cutts, FT.Markowitz, LE. Successes and failures in measles control. J Infect Dis 1994; 170 (suppl 1): 832–841.
7.Orenstein, WA.Bernier, RH.Hinman, AR. Assessing vaccine efficacy in the field. Further observations. Epidemiol Rev 1988; 10: 212–41.
8.Cutts, FT, Brown, DWG. The contribution of field tests to measles surveillance and control: a review of available methods. Rev Med Virol 1995; 5: 35–40.
9.Katz, SL.Gellin, BG. Measles vaccine: do we need new vaccines or new programs? Science 1994; 265: 1391–2.
10.Global Programme for Vaccines of the World Health Organization. Role of mass campaigns in global measles control. Lancet 1994; 344: 174–5.
11.World Bank. World development indicators. In: World Development Report 1993. Investing in Health. Oxford: Oxford University Press. 1993; 231.
12.Malfait, P.Jataou, IM.Jollet, M-C.Margot, A.De Benoist, A-C.Moron, A. Measles epidemic in the urban community of Niamey: transmission patterns, vaccine efficacy and immunization strategies. Niger, 1990 to 1991. Pediatr Infect Dis J 1994; 13: 38–45.
13.Ndumbe, PM. Do vaccines reach those who most need them? Cameroon. In: Cutts, FT.Smit, PG. Eds. Vaccination and world health. Chichester: John Wiley. 1994; 225–38.
14.Bernier, RH.Orenstein, W.Hutchins, S.Zell, ER. Do vaccines reach those who most need them? United States. In: Cutts, FT.Smith, PG. Eds. Vaccination and world health. Chichester: John Wiley. 1994; 213–25.
15.Miller, E. The new measles campaign. BMJ 1994; 309: 1102–3.
16.Rosenthal, G. The economic burden of sustainable EPI: implications for donor policy. Resources for Child Health Project. Feb. 1990. Arlington: John Snow Inc. 1990.