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Vaccine. 2006 May 1;24(18):3865-73. Epub 2006 Mar 24.

Enteric infections and the vaccines to counter them: future directions.

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  • 1Center for Vaccine Development, University of Maryland School of Medicine, Baltimore, MD 21201, USA.


While it is well-recognized that diarrheal diseases remain the second most frequent cause of mortality among children <60 months of age in the developing world, there is nevertheless a need to obtain more precise mortality and hospitalization burden data in populations living in the world's least developed areas. There is also a glaring need to obtain robust etiology data in relation to the different diarrheal disease clinical syndromes, including serotypes of Shigella and antigenic types of ETEC. Because of the poor uptake of the new typhoid and cholera vaccines licensed since 1985, it will be important to create reliable, long-term demand for the next generation of enteric vaccines, including new rotavirus, Shigella and ETEC vaccines. The first priority is to get individual vaccines licensed. Post-licensure, it will then be simpler to investigate the clinical acceptability, immunogenicity and effectiveness of various combinations of the individual licensed enteric vaccines. The extensive gut mucosal surface with its many sites for induction of immune responses make it likely that co-administrations will be successful. Partnerships of public and private agencies in the developing and the industrialized world will have to be forged to create a reliable demand for new enteric vaccines and to assure adequate, sustained supplies of affordable products. Systematic implementation programs will have to be created in the least developed, high burden, high mortality countries to deliver enteric vaccines and to document their impact after introduction.

[PubMed - indexed for MEDLINE]
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