>Moderna Inc. said Wednesday it has made the initial batch of doses of a new Covid-19 vaccine designed to better protect people against a new strain of the coronavirus that has shown some resistance to the company’s original vaccine.
>The Cambridge, Mass., company said it shipped the new shots to the National Institutes of Health to conduct the first human study of the variant vaccine, which could start within weeks.
https://www.wsj.com/articles/moderna-says-covid-19-vaccine-for-south-africa-strain-is-ready-for-human-testing-11614201000?mod=hp_lead_pos2

I have 2 questions
1) why are there already several variants of this virus? Didnt it have an extremely long structure that made mutations unlikely?

2) will you take it? And for every variant that comes out?

Watching an interview with the CEO right now. He considers COVID the new flu, says it will be with us basically forever.