Randomised experimental evaluation of a social media campaign to promote COVID-19 vaccination in Nigeria.

For the main findings on the primary and secondary endpoints at the follow-up questionnaire in study 2 ( Table 3 ), the crude and adjusted increases in vaccination rates at follow-up in percentage point terms were 6.5 and 6.0; these approached, but did not reach statistical significance ( P < 0.057 and P < 0.085, respectively).

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