This is mainly true, however we are still observing random integrations at low frequency such as 0.1% to 1% [0], so if you bring a billion virus particles in, i

This is mainly true, however we are still observing random integrations at low frequency such as 0.1% to 1% [0], so if you bring a billion virus particles in, it still poses a non-negligible risk to the agent. Thank you for your input, I'll word it more accurately. 0: https://www.ncbi.nlm.nih.gov/pubmed/29326962 https://www.ncbi.nlm.nih.gov/pubmed/29326962