> We don't know what a "low viral load" means for infectiousness. One way the phrase is used refers to severity being dependent on initial viral load. That's w

> We don't know what a "low viral load" means for infectiousness. One way the phrase is used refers to severity being dependent on initial viral load. That's what I think you're talking about. Someone can have a mild infection or asymptomatic but still be contagious. What jsharf is referring to is that below the infectious dose, exposure to the virus doesn't necessarily develop into an infection. This idea is explored here: https://erinbromage.wixsite.com/covid19/post/the-risks-know-them-avoid-them https://erinbromage.wixsite.com/covid19/post/the-risks-know-...