The classical (neural) form of Marek's disease is characterised by visible enlargement of the sciatic nerve along with lymphoproliferative lesions, resulting in progressive paralysis in affected birds.
Classical form of Marek's disease is characterized by
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Question context
This question is part of 🦠 Microbiology within the broader 🧬 Medical Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.