Trials of the Delta vaccine have started https://fortune.com/2021/08/09/covid-vaccines-delta-variant-vaccine-biontech-pfizer/ https://fortune.com/2021/08/09/cov

Trials of the Delta vaccine have started https://fortune.com/2021/08/09/covid-vaccines-delta-variant-vaccine-biontech-pfizer/ https://fortune.com/2021/08/09/covid-vaccines-delta-variant-... IIRC these trials should last 3 months