So what is the point?

[oldhippydude]

Heard on BBC news this morning that the thinking now is that one jab of Pfizer or AZ reduces transmission of about 50%.

Edit. It's a study by PHE.

It added that this protection was on top of the reduced risk of a vaccinated person developing symptomatic infection in the first place, which is around 60 to 65% - four weeks after one dose of either vaccine.

https://www.bbc.co.uk/news/health-56904993