This is also incorrect. "Prevention of disease" and "prevention of infection" are two related but clinically-distinct objectives for these vaccines. So far, ear

This is also incorrect. "Prevention of disease" and "prevention of infection" are two related but clinically-distinct objectives for these vaccines. So far, early clinical trials were generally testing the first objective, and less so the second. It is thus not "marketing speak", but precise language about what was actually tested.