An experimental drug that was originally developed to treat patients with Ebola hemorrhagic fever, remdesivir is the first drug to prove its effectiveness against the new coronavirus, according to an American study. 

The United States Medicines Agency (FDA) has granted authorization to use the antiviral remdesivir, which shortens the recovery time for patients with Covid-19, President Donald Trump announced on Friday.

"I am pleased to report that Gilead has obtained emergency use clearance from the FDA for remdesivir," said Donald Trump from the White House. Remdesivir is the first drug to prove its effectiveness against the new coronavirus. According to a study by the United States Institutes of Health, it shortens the recovery time for patients with Covid-19 by several days.