According to BBC, 
This is dexamethasone, it’s a cheap and globally available drug that can help save the lives of people seriously ill with coronavirus. It’s a major breakthrough in the fight against the deadly virus, according to UK scientists. 
"There is a clear, clear benefit. The treatment is up to 10 days of dexamethasone and it costs about £5 per patient. So essentially it costs £35 to save a life,” Prof Martin Landray of Oxford University said. The low-dose steroid treatment is part of the world’s biggest study into existing treatments, and cuts the risk of death by a third for patients on ventilators. Tap the link in our bio for more on this life-saving drug.