Thanks, anon.
Doesn't sound like the same cause as the deaths and to me, probably unrelated. The Okies probably contracted a food borne illness. The Jimmy Buffet fans (link out in the article)were given anti-parasite treaments - Montezuma's revenge (Giardia)? And two tested + for Salmonella back in the States
The deaths sound more like poisonings to this anon.