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ArticleBMJ open2026

Open-label, randomised controlled, multicentre study evaluating higher valency pneumococcal vaccines (PCV15/PCV20) compared with PCV13 given in homologous schedules at 3 months and 12 months ('1+1' schedule) and 2 months, 4 months and 12 months ('2+1' schedule) in infants: protocol.

Riffat Aslam et al.PubMed ↗Full text ↗Publisher ↗

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Open-label, randomised controlled, multicentre study evaluating higher valency pneumococcal vaccines (PCV15/PCV20) compared with PCV13 given in homologous schedules at 3 months and 12 months ('1+1' schedule) and 2 months, 4 months and 12 months ('2+1' schedule) in infants: protocol. | OpenQuestion