<div>Part I Introduction.- 1. Global strategy for influenza viral infection: What is the latest Information from WHO?.- Part II Definition, Epidemiology, and Pathogenesis.- 2. Epidemiology of influenza with a description of recent trends in Japan: What are the key epidemiologic features of seasonal influenza in terms of time, place, person, and virus (overall and in Japan)?.- 3. Transmission of influenza virus in the home: How are they transmitted in the home?.- 4. Cellular and biochemical pathogenic processes in severe influenza virus infection: How does cytokine storm plays a role?.- 5. Pathology of severe influenza virus pneumonia: what is the importance of alveolar mouths?.- 6. Pathology, Diagnosis, and Treatment of Influenza Infections/Pneumonia: What are the mechanisms of secondary bacterial pneumonia?.- Part III Diagnosis.- 7. Rapid diagnosis of influenza viral infection: What are the rapid diagnostic tests and molecular diagnosis?.- 8. Differential diagnosis between influenza and other respiratory viral infections: What are the differential diagnoses?.- 9. Radiologic findings of influenza pneumonia: What are the recent radiological findings?.- 10. Oral findings of influenza viral infection: What are the characteristic pharyngeal findings of influenza?.- Part IV Complication.- 11. Classification of pneumonia complicated with influenza viral infection: What are the patterns of pneumonia?.- 12. Influenza encephalopathy: What is encephalopathy?.- Part V Management.- 13. Treatment guidelines for influenza virus infection: What does the recent guideline state?.- 14. Treatment strategy for influenza viral infection in adolescent: what is the current adolescent treatment?.- 15. How to use anti-influenza drugs: zanamivir and oseltamivir.- 16. How to use anti-influenza drugs: laninamivir octanoate.- 17. How to use anti-influenza drugs: baloxavir marboxil.- 18. How to use anti-influenza drugs: peramivir.- 19. Prophylaxis of influenza viral transmission: What is the current prophylaxis?.- Part VI Topics.- 20. Influenza vaccine efficacy/effectiveness: with special reference to current epidemiological methodology.- 21. The new anti-influenza drug baloxavir marboxil: Can influenza viruses with reduced susceptibility to baloxavir maintain viral fitness?.- 22. Viruses resistant to oseltamivir or baloxavir: What do the data reveal about resistance?.</div><div><br></div>