cytotoxicity

In the frantic fight to get an effective antiviral into the hands of a terrified world, there's a new kid on the block. This one is called N-hydroxycytidine and it's rather interesting. NHC is a potent inhibitor of coronavirus replication in cells, it's really easy to synthesize and it'll protect you from the virus. (That is, if you're a lab rodent.)
A rare genetic disorder that transforms a person's hands and feet, in particular, into tree-bark-like warts and cutaneous horns made news recently. It's truly out of the ordinary. So what's this all about?