Genuine (and probably stupid) questions, I'm not trying to panic anyone. I may be more paranoid than normal due to going outside yesterday for the first time in 3 weeks.
Am I right in thinking that a single viable virus finding its way into your eye or mouth is enough to cause an infection? Or does it need a big dollop (in virus-sized terms) of virus-laden fluid?
I was walking the dog last night in the wind and it occurred to me that we've had sand/dust on our cars blown all the way from the Sahara before, so virus-laden fluid droplets can probably be carried a lot further than 2 metres in a wind.
So if someone was to sneeze on top of the Eiffel tower would a billion virus-containing droplets be spread, however thinly, over a wide area, and a single microscopic droplet land in someone's eye a mile away?
Similarly, I believe that corona viruses can live in water and untreated sewage for some time. Would light spray blowing from a waterfall or weir be a potential danger if the water carried a considerable amount of waste? I'm thinking of the Mersey in particular.
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Covid
Spreading on the wind? And in water?
50 replies
KatieGoesKaboom · 06/04/2020 08:05
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