Detection of Vaccine-derived Rotavirus Strains in Nonimmunocompromised Children up to 3–6 Months After RotaTeq® Vaccination

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We conducted a survey on the presence of RotaTeq vaccine viruses in infants hospitalized with respiratory infection, and detected shedding in 17% of children (<2 years of age) who had ever received the vaccine. The latest detection was at the age of 8 months. We conclude that asymptomatic long-time shedding of RotaTeq viruses is not uncommon, and is particularly associated with genotype G1.

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