206 Ch 206. Influenza

Seasonal Flu A (H1N1, H3N2) + B; pandemics (2009 H1N1, historic 1918); 高 elderly/pediatric/pregnant/comorbidity mortality; 2024-2025 quadrivalent IIV/RIV/LAIV vaccines; mRNA quadrivalent vaccines coming; H5N1 avian zoonosis 2024 USA dairy cattle + farmworker concern; oseltamivir + baloxavir 主要 antivirals。