The influence of pneumococcal conjugate vaccine-13 on nasal colonisation in a controlled human infection model of pneumococcal carriage in Malawi: a double-blinded randomised controlled trial protocol.

Morton B, Jambo K, Chikaonda T, Rylance J, Henrion MYR, Banda NP, Nsomba E, Gondwe J, Ferreira D, Gordon SB, MARVELS Consortium,

Malawi Liverpool Wellcome Programme