Which is enough to catch the noro virus from vomit or faecal particles.Originally Posted by MadMojoMonkey
The human sense of smell is sensitive to several parts per billion. Which means that only a few molecules of 'stink' per every billion molecules of air can be smelled by an average human's sense of smell. Microscopic particles can remain suspended in the air for a surprisingly long time. Dust from the Sahara makes its way to South America.
Even after you wash something, most anti-bacterial soaps /sanitizers claim to kill 99.99% of germs. So that leaves about 1 part per ten thousand... which is a over a thousand times more than necessary for the average person's nose to smell.
P.S.smell disappear
So can you catch it from some douche farting?
If you smelt it you caught it.
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