As I said, there seems to be a lack of studies that I could find at least. That's why I asked.
The ones you posted hardly cover the positive in glory though do they?
They seem pretty positive to me!
I found them on page 1 of the Google results for “vaccine transmission”, it took me 30 seconds. So I’m sure there are many more studies out there if you want them.
In the absence of any studies that say the vaccines are worthless in terms of preventing transmission (and obviously that is far from their only/main benefit), I’m feeling even more grateful that we’ve got the vaccines we have.