I feel like I have a wrong model of how things work. I'm thinking that for each virus there is a chance that it will infect a cell. The higher the viral load

I feel like I have a wrong model of how things work. I'm thinking that for each virus there is a chance that it will infect a cell. The higher the viral load, the higher the number of chances that you will get infected. a lower number of droplets -> lower viral load -> less chance to be infected.