It wasn't a precondition. Compare the approved vaccines now[1] with the archive back in March 2021[2]. [1] https://www.ema.europa.eu/en/human-regulatory/overvi

It wasn't a precondition. Compare the approved vaccines now[1] with the archive back in March 2021[2]. [1] https://www.ema.europa.eu/en/human-regulatory/overview/public-health-threats/coronavirus-disease-covid-19/treatments-vaccines/covid-19-vaccines https://www.ema.europa.eu/en/human-regulatory/overview/publi... [2] https://web.archive.org/web/20210305190828/https://www.ema.europa.eu/en/human-regulatory/overview/public-health-threats/coronavirus-disease-covid-19/treatments-vaccines/covid-19-vaccines https://web.archive.org/web/20210305190828/https://www.ema.e...