> You can’t spread prions by feeding them seaweed. No one said you could. I imagine that the concern is that some unforeseen effect might happen just as prion

> You can’t spread prions by feeding them seaweed. No one said you could. I imagine that the concern is that some unforeseen effect might happen just as prion disease was unforeseen. Or indeed that some foreseen effect might be neglected or deliberately hidden from the consumer.