Covid-19: India red list add 'may be too late', Prof Mark Walport says
Prof Mark Walport told the BBC he believed the new variant was "more transmissible" and there were "good reasons" for keeping it out of the UK.
Health officials say it is too early to know whether it is more transmissible.
India has been reporting more than 200,000 cases daily since 15 April.
Its capital Delhi announced a week-long lockdown after a record spike in cases overwhelmed the city's healthcare system.
Covid-19: India red list add 'may be too late', Prof Mark Walport says
There are "good reasons" for keeping the new variant out of the UK, scientist Prof Mark Walport says.
www.bbc.co.uk