About this video
Learn how influenza spreads, mutates, and — most importantly — how vaccination and early treatment protect you from severe disease. This video explains influenza types (A, B, C, D), antigenic drift vs. antigenic shift, transmission pathways, symptoms, diagnosis, complications, and prevention in clear, practical terms. You’ll learn how seasonal flu viruses differ, why type A drives pandemics, and how hemagglutinin and neuraminidase changes let the virus evade immunity. The episode breaks down antigenic drift (slow mutations causing new strains) and…
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