Researchers at Oxford University are hailing a steroid called dexamethasone as a “major breakthrough” for treating coronavirus.

The drug reduced death rates by one third in “severely ill” COVID-19 patients who were on ventilators or oxygen.

Dexamethasone is already a cheap and widely available treatment for arthritis and inflammation.

Now UK officials are fast-tracking it for treatment and stockpiling 200,000 doses of the drug.

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