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Expert review of vaccines · Sep 2013
ReviewIncreasing rates of Salmonella Paratyphi A and the current status of its vaccine development.
- Sushant Sahastrabuddhe, Rodney Carbis, Thomas F Wierzba, and R Leon Ochiai.
- International Vaccine Institute, San 4-8, Nakseongdae-dong, Gwanak-gu, Seoul, 151-919, Korea.
- Expert Rev Vaccines. 2013 Sep 1;12(9):1021-31.
AbstractEnteric fever caused by Salmonella enterica serovar Typhi and Salmonella enterica serovar Paratyphi is still a major disease burden mainly in developing countries. Previously, S. Typhi was believed to be the major cause of enteric fever. The real situation is now becoming clear with reports emerging from many Asian countries of S. Paratyphi, mostly S. Paratyphi A, causing a substantial number of cases of enteric fever. Although there have been advances in the use of the currently available typhoid vaccines and in the development of newer typhoid vaccines, paratyphoid vaccine development is lagging behind. Since the disease caused by S. Typhi and S. Paratyphi are clinically indistinguishable and are commonly termed 'enteric' fever, it will be necessary to have a vaccine available against both S. Typhi and S. Paratyphi A as a bivalent 'enteric fever vaccine'.
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