The variant has led to a new ban on travel from South America but more mutations are likely as the pandemic continues.
The Brazil variant is just one of around 12,000 variants of the virus that have been identified.
Sky’s Ashish Joshi explains.
SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews
Follow us on Twitter: https://twitter.com/skynews
The Coming Pandemic Documentary
Like us on Facebook: https://www.facebook.com/skynews
Follow us on Instagram: https://www.instagram.com/skynews
For more content go to http://news.sky.com and download our apps:
Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog