A new plain language summary has been published in Future Virology explaining the results of the Janssen single-dose COVID vaccine study. The ENSEMBLE study was carried out to see how well the single-dose COVID-19 vaccine works and how safe it is. The results of this study, combined with the findings from other studies, have led to the vaccine being authorized for use in many countries worldwide*.

Read the article for free here.

The original article, called “Safety and efficacy of single-dose Ad26.COV2.S vaccine against Covid-19,” was published in the New England Journal of Medicine in 2021. This article is free to read here.

*The authorization or approval status of Janssen’s COVID-19 vaccine varies by country. See here for further information.