I was under the impression that Pfizer was 79% effective against delta at least in the UK [0]. [0] https://www.theguardian.com/world/2021/jun/15/the-covid-delt

I was under the impression that Pfizer was 79% effective against delta at least in the UK [0]. [0] https://www.theguardian.com/world/2021/jun/15/the-covid-delta-variant-how-effective-are-the-vaccines https://www.theguardian.com/world/2021/jun/15/the-covid-delt...