If it was 1080, then there would have been and there will be more cases . But this one seems to be a first.
I wonder if they consumed the liver of the pig?
And yes, in france for exemple, any wild bore meat is kept in the freezer for a few months before consumption to kill some parasite present in the meat I believe.
I just asked a mate in france, and the parasite is the trichinosis.
See more here:
Trichinosis - Infections - Merck Manuals Consumer Version
After reading the above article, it does not seems to be that , but it is still interesting to read.