vaccines probably not effective at stopping transmission, says UK health honcho

https://www.newscientist.com/article/2266150-uk-advisers-cautious-about-how-much-covid-19-vaccines-cut-transmission/

i've been saying this for a long time. the trial (at least for covishield) only tests whether the vaccine reduces severe disease, NOT whether it prevents mild or asymptomatic infection or transmission to third parties by severely, mildly or asymptomatically infected people. 

https://rajeevsrinivasan.substack.com/p/episode-11-lancet-paper-on-covishield