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Boris Johnson has hailed the study of a steroid which cuts Covid-19 deaths as “the biggest breakthrough yet” in the treatment of coronavirus.

A trial by researchers at Oxford University of dexamethasone suggests it is the first drug to reduce deaths from coronavirus.

Scientists found the drug reduced deaths by up to a third among patients on ventilators, and by a fifth for those on oxygen.

Speaking at the Downing Street press conference, the Prime Minister said the drug would now be available across the NHS.

Read more: https://www.standard.co.uk/news/uk/boris-johnson-hails-dexamethasone-biggest-breakthrough-a4470836.html