There is hope that the experimental drug remdesivir could cure patients of coronavirus after a 79-year-old Italian man who had tested positive was given the all-clear after treatment.
The broad-spectrum antiviral was developed by US drug firm Gilead for Ebola and was used to treat Scottish nurse Pauline Cafferkey when she suffered a relapse 18 months after being cleared of the disease which she contracted while volunteering in Sierra Leone.
Currently, remdesivir is being tested in five Covid-19 clinical trials including by the US National Institutes of Health (NIH) on 13 patients hospitalised after contracting coronavirus on board the Diamond Princess cruise ship in Japan.
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The first person to test positive with the virus in the US was also treated with drugs and has since fully recovered.