I just meant that there's a particular thing about Dany (and someone else, who I'm not sure if it's a spoiler to mention yet...) bloodline that make them pretty exceptional. It's "the blood of the dragon" after all,Griffith said:I don't know, the show doesn't seem to be following the books' or even its own rules on this. Isn't it literally murky water anyway? =)
All I know is Jorah sure isn't being cautious. I assume he's confident he's not putting his object of devotion in danger, suggesting, he thinks, it takes direct exposure to the infected area, but again, it allegedly passed from the material of a doll, so not something to fool around with.
so a little thing like Greyscale probably isn't a real threat (is this something worth spoilering...?). Not dissimilar to how Valyrian steel is effective against the wights because of magic dragon stuff.