Highly pathogenic avian influenza has historically been associated particularly with certain H5 and H7 subtype viruses. These viruses can cause severe systemic disease and high mortality in poultry. Their identification and control are therefore important for animal health and poultry production.
Following subtypes of Avian Influenza are associated with severe disease in chickens:
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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.