This study provides the first dual typing of rotavirus isolates from diarrhea cases in Mexico, identifying P1G1 as the most prevalent genotype.
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Supports Mexican rotavirus surveillance; leaves open vaccine strain implications pending longitudinal data.
Dual typing (VP4 and VP7) of rotavirus obtained from 257 Mexican children during three epidemiological seasons was performed by reverse transcription-PCR. The P1G1 genotype was the most prevalent (40%), followed by P1G3 (19%) and P2G2 (16%). Thirty-one specimens (12%) presented mixed infections, while some genotypes were not found. This is the first dual typing of isolates from diarrhea cases in Mexico.
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Castillo et al. (2000) studied this question.
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