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[–]spelllingchamp 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Andrew Read's lab has demonstrated vaccine-altered evolution for a parasite disease. For Marek's disease, his lab only showed that vaccinated chickens are carriers of deadlier disease (deadlier for unvaxxed chickens). He does a Youtube presentation of his work https://youtu.be/TeyxhehhEuo