Covid-19: what do we know about the variants first detected in India?
b'With restrictions in England due to be further relaxed on 17 May, new coronavirus variants first detected in India are spreading across the UK. Public Health England designated one, known as B.1.617.2, as a \\u2018variant of concern\\u2019 last week. It is now the second most common variant in the country. Anand Jagatia speaks to the Guardian science correspondent Nicola Davis and Prof Ravi Gupta about what we know and how concerned we should be. Help support our independent journalism at theguardian.com/sciencepod'