The BioNTech/Pfizer press release mentions a reduction in confirmed cases (8 vs. 162), not in severity. There is no good reason why such an effective vaccine sh

The BioNTech/Pfizer press release mentions a reduction in confirmed cases (8 vs. 162), not in severity. There is no good reason why such an effective vaccine should not reduce the risk of spreading the disease. However, even a large phase 3 trial doesn't have enough statistics to answer this question.