Is it possible for a Nord to get it on with a lizard and end up having a certain "disease"?

(Though I feel ashamed for asking this...)

No.

End of discussion

Although I am not going to re-open this topic... I would like to note that I was incorrect with my cranky "no" response above.

"Enormously fat and marked by every venereal disease known to the Healers, Antiochus spent little time on politics."--The Wolf Queen

Thanks to Luagars and Proweler for the quote.