Get vaccinated. Your risk of getting Covid-19 is going way up if you are unvaccinated. If you do not have access to vaccine, wear a mask, stay six feet away from others, stay out of crowds, and wash your hands.
Variant Delta (D or the Indian variant also well-established in the UK) is the most severe of all variants to date, and is becoming the dominant version of Covid-19 in many countries. Many public health professionals predict that within a few months Variant Delta will the dominant strain globally and in the USA, much as it is currently dominant in India and the UK..
If you want to see the most current information about Covid-19, Variant Delta, search with Google or an alternative search engine. As I write this on June 19, 2021, there is a huge amount of news stories available. CNN has had good coverage on Variant Delta.
Current information is that Variant Delta is the most problematic and deadly Covid-19 variant yet.