“The importance of viral dose is being overlooked in discussions of the coronavirus. As with any other poison, viruses are usually more dangerous in larger amounts. Small initial exposures tend to lead to mild or asymptomatic infections, while larger doses can be lethal.”
Interesting read:
Opinion | These Coronavirus Exposures Might Be the Most Dangerous (Published 2020)
As with any other poison, viruses are usually deadlier in larger amounts.www.nytimes.com
An article in the Lancet a few weeks ago said severe cases had 60 times the viral load so it makes sense. Makes me wonder if hospitals really become killing grounds if cross contamination occurs.