The race is on to find a drug that is both effective and safe for treating COVID-19, which has spread to 3.1 million infections and caused 220,000 deaths worldwide.
This week, the US National Institute of Allergy and Infectious Diseases released findings of a clinical trial of the experimental antiviral drug remdesivir. This showed COVID-19 patients recovered more quickly and had an improved survival rate when taking the drug, compared with those given a placebo and standard care.
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