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Study design. Abbreviations: B, blood sample; ESFU, extended safety follow-up contact; HRV, human rotavirus vaccine licensed at the time of study conduct; PCV-free Lot A HRV, PCV-free Lot B HRV, and PCV-free Lot C HRV, groups receiving the porcine circovirus-free human rotavirus vaccine from lots A, B, or C; Pooled PCV-free HRV, pooled porcine circovirus-free human rotavirus vaccine groups; V, vaccination.
