Attenuation of a human rotavirus vaccine candidate did not correlate with mutations in the NSP4 protein gene.

Abstract excerpt

The NSP4 protein of a simian rotavirus was reported to induce diarrhea following inoculation of mice. If NSP4 is responsible for rotavirus diarrhea in humans, attenuation of a human rotavirus may be reflected in concomitant mutations in the NSP4 gene. After 33 passages in cultured monkey kidney cells, a virulent human rotavirus (strain 89-12) was found to be attenuated in adults, children, and infants. Nucleotide...

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