Covid-19: New mutation of Delta variant under close watch in UK

, Covid-19: New mutation of Delta variant under close watch in UK, The Habari News
, Covid-19: New mutation of Delta variant under close watch in UK, The Habari News

If it becomes clearer that it could be more transmissible and escape some of the built up immunity from past infections or vaccines, or potentially cause more serious disease, it is moved into the variant of concern category. That’s the one Delta belongs to.