> But little is known about how well the drugs will work... Can someone unpack that? That is, there were trials. There's data. Etc. Why is "little known"? Gra

> But little is known about how well the drugs will work... Can someone unpack that? That is, there were trials. There's data. Etc. Why is "little known"? Granted, trials are not full roll out? But "little is known" sounds like a dice roll.