Immunity from coronavirus?

I was asked to ask Spirit if its true that once people have coronavirus they are immune from contracting it again. I understand that I can answer this question and so Im writing it now.

The answer is The chance of contracting the specific virus again is 50%. There are several versions of the coronavirus circulating, because it has altered on its journey around the world. In each country, there is more than one version, although they are similar in their structures. Some versions create more...