The VP4 (P) and VP7 (G) types of 171 rotavirus isolates obtained from children with diarrhea in the United States were characterized by PCR typing assays. Strains P1G1 predominated (71%); this was followed by strains P1G3 (20%) and P2G2 and P1G4 (2% each). Mixed types were identified in five (3%) specimens. Two (1%) strains bearing the P3 genotype (P3G1 and P3G2) were found in children with severe dehydrating diarrhea, although the P3 genotype has been regarded as a possible marker for virus attenuation.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC262997 | PMC |
| http://dx.doi.org/10.1128/jcm.32.1.205-208.1994 | DOI Listing |
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