Family stricken with rare brain worms after eating undercooked bear
Briefly

Lacking a meat thermometer, the family assessed the doneness of the dark-colored meat by eye. At first, they accidentally served it rare, which a few family members noticed before a decision was made to recook it.
It wasn't until his second hospitalization that doctors learned about the bear meat-and then it all made sense. The doctors suspected the man had a condition called trichinellosis and infection of Trichinella nematodes (roundworms).
Between 2016 and 2022, there were seven outbreaks of trichinellosis in the US, involving just 35 cases. The majority were linked to eating bear meat, but moose and wild boar meat are also common sources.
Once eaten, larvae encased in the meat are released and begin to invade the small intestines (the gastrointestinal phase), causing pain, diarrhea, nausea, and vomiting. Then, the larvae develop into adults in the gut, mate, and produce more larvae there.
Read at Ars Technica
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