Covid-19 spreads very fast - and very easily - compared to many other diseases. The way that it infects us, how long we are ill for and how we pass it on to other people all play a part.
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Airborne transmission via respiratory droplets is one of the major ways that the Sars-Cov-2 coronavirus spreads and many people with Covid-19 won’t even know they have it. One significant mutation has already made it easier for the virus to attach itself to us. Scientists are keeping a close eye on how the virus is changing - will it become even more infectious?
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