www.medrxiv.org/content/10.1... Here's 1 for you. There are several if you search. Effectiveness to prevent infection varies in efficacy dependant on strain.
Effectiveness of BNT162b2 and ChAdOx1 against SARS-CoV-2 household transmission: a prospective cohort study in EnglandBackground The ability of SARS-CoV-2 vaccines to protect against infection and onward transmission determines whether immunisation can control global circulation. We estimated effectiveness of BNT162b...www.medrxiv.org