RNA-dependent RNA polymerase

As the horror known as the coronavirus tightens its grip on the world, and a vaccine is years away, our best hope is an antiviral drug that minimizes the damage caused by coronavirus replication. New data on favipiravir, a repurposed drug originally discovered in Japan, looks promising in trials in China. But nothing is ever straightforward in drug discovery -- and that is no different here. Here's a summary of the new findings.