Before revision:  At typical, air-conditioned yet quiescent , large indoor space, for the average viral loading, and at early times, cough droplets of initial diameter between 10 \mu m and 50 \mu m have the highest infection probability.
After revision:  At typical, air-conditioned yet quiescent indoor space, for the average viral loading, and at early times, cough droplets of initial diameter between 10 \mu m and 50 \mu m have the highest infection probability.