If you object (lol), cite in this CDC promoted ongoing clinical trial where they cite your quoted claim of "blocking of infection".
You cannot. It does NOT.
The ONLY claim:
"From the GRADE evidence assessment, the level of certainty for the benefits of the Pfizer-BioNTech COVID-19 vaccine was type 1 (high certainty) for the prevention of symptomatic COVID-19. Evidence was type 3 (low certainty) for the estimate of prevention of COVID-19–associated hospitalization and type 4 (very low certainty) for the estimate of prevention of death. No data were available to assess the efficacy for prevention of asymptomatic SARS-CoV-2 infection. "
To-wit: If it does not prevent infection nor prevent the spread of disease, it is NOT a "vaccine".
This is reflected in proclamations that the 'vaccinated' must "maintain mitigation measures" (masking & social distancing except, of course, among the 'vaccinated' themselves, as is now being used to coerce/manipulate the population into compliance with these EXPERIMENTAL shots).
The shots are treatments, WHOLLY-EXPERIMENTAL and not without risk. Furthermore, they are WHOLLY UNNECESSARY for over 3/4 of the population.
You are a troll and 'vaccine' cheerleader peddling LIES. Propaganda, solely to benefit...whom?
Bravo!