Thanks Tanza :).
Well you can see that I didnt do my homework on this disease BEFORE I posted my question :o:o.
(Says this, then runs off to commence my edumacation for the day. Topic is… H.A. :))
They should be both equally as accurate, but you just have to make sure that the dog hasn't eaten anything that was alive for a MINIMUM of an hour before the cheek swab, while it doesn't really matter for the blood test.