Safety evaluation of the single-dose Ad26. COV2.S vaccine among healthcare workers in the Sisonke study in South Africa : a phase 3b implementation trial
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Safety evaluation of the single-dose Ad26. COV2.S vaccine among healthcare workers in the Sisonke study in South Africa : a phase 3b implementation trial
Real-world evaluation of the safety profile of vaccines after licensure is crucial to accurately
characterise safety beyond clinical trials, support continued use, and thereby improve public
confidence. The Sisonke study aimed to assess the safety and effectiveness of the Janssen
Ad26.COV2.S vaccine among healthcare workers (HCWs) in South Africa. Here, we present the safety data.