Who’d have thought that almost a year on, the UK would still be in lockdown? Not us, that’s for sure. As new variants of the original coronavirus emerge, things seem to be getting more and more complicated. Let’s dive right in and ask where did they come from, where did they go? — Why and how do we get different variants of viruses? Viruses mutating and differentiating into new variants is nothing new, it’s just what viruses do. For example, a new strain of flu arises each year, hence why we get vaccinated annually. This is because viruses are evolving, but how do…