2 ms·
That's the point. Pfizer's trial does not evaluate reduction of R or "preventing one person from being infected". It would have been better if it did, but it do
by sanxiyn 6y ago
That's the point. Pfizer's trial does not evaluate reduction of R or "preventing one person from being infected". It would have been better if it did, but it does not. NNT is a natural way to measure the result of this trial since the result is about prevention of disease, NOT prevention of infection.