Yet it is a good thing that much research has been carried out in the way the virus may spread through the air, for all infection rates must be known to eventually be able to curb the virus. Right from the start we all assumed that maybe the virus could spread through moisture droplets that are released by coughing and sneezing, but also when talking, singing, and yelling. As a rule, these moisture droplets do not carry further than 1.5 m before they evaporate or settle, and that is why we duly keep our distance.
Today, there is much attention for aerosols as potential virus transmitters. Aerosols are small dust particles or moisture droplets that are light enough to hover in the air for hours, which gives them a much wider range. Although most scientists agree that it has not yet been established beyond any doubt that aerosols really contributed to the spread of the Coronavirus, there are indications that it could well be the case. There is a lot of talk about it and, in fact, the conclusion is that there still is a lot we do not know about the way the virus spreads. How much of the virus is needed to infect someone? Theoretically, just one virus particles suffices, but when infected with a single particle, the immune system has more time to respond before the virus has been able to multiply.
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