Author: Kesia Esther da Silva, Stanford University and Arif Mohammad Tanmoy, Child Health Research Foundation Bangladesh

TyVAC Malawi vaccine efficacy trial - technician with vaccine vials

What’s behind the data? An explanation of “intention-to-treat” vs. “per-protocol” vaccine efficacy analyses

Have you heard the terms “intention-to-treat (ITT)” and “per-protocol (PP)” analysis and been unsure of the difference? Or why both are important? As in most vaccine efficacy research, some typhoid ...

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