Covid-19: Delta variant is now UK’s most dominant strain and spreading through schools

Covid-19: Delta variant is now UK's most dominant strain and spreading through schools Ingrid TorjesenThe delta covid-19 variant (B.1.617.2), which was first detected in India, has overtaken the alpha variant, better known as the UK or Kent variant (B.1.1.7),to make it the most dominant strain circulating in the UK, Public Health England has said.