The primary endpoint of the Pfizer trial was any symptomatic disease. That means they would monitor participants for symptoms, and if they had any they would be PCR tested to make sure it was not something else. They claimed the lower end of the 95 confidence interval relative risk reduction was ~90%. You can look at the prescribing guide on the FDA's website for more details. J&J did moderate to severe disease as the primary endpoint though.
Shall we move on to the talking heads from public health institutions and the politicians? I mean, examples abound and this would be a lay-up. Google is your friend here.
But how can you be unaware of these claims after two years of drama over them in the global public square? Vaccine mandate propositions were largely predicated on the inflated expectations of efficacy - people lost their livelihoods over this. We’re not talking about flippant one-off statements here, but the confidence and endorsement that moves government and corporate policy.