I've found some papers which describe that the viral shedding does not decrease during infection (for fully vaccinated people). But the overall shedding time does decrease. Therefore it is possible to say, that the vaccines could have a positive effect on the whole pandemic. (They lead to a reduced spread of the disease.)
My question is now: are vaccinated people more likely to not get infected at all?
I've read that the vaccines lead to a shift from severe cases to mild cases, but is there evidence that the vaccines can actually protect people from getting infected?
If someone knows more, could you provide me a source?