Part I: About MicroRNAs 1. Biogenesis of MicroRNA Part II: MiRNAs in human bacterial diseases 2. MiRNA in Tuberculosis diagnosis and therapeutics 3. MiRNA in Typhoid diagnosis and therapeutics 4. MiRNA in sexually transmitted diseases diagnosis and therapeutics 5. Role of MiRNA in bacterial respiratory infections diagnosis and therapeutics Part III: MiRNAs in emerging human viral diseases 6. Role of MiRNA in retroviral diseases diagnosis and therapeutics 7. Role of MiRNA in arboviral diseases diagnosis and therapeutics 8. Role of MiRNA in Ebola diagnosis and therapeutics 9. Role of MiRNA in respiratory viral infections diagnosis and therapeutics 10. Role of MiRNAs in oncogenic viral infections diagnosis and therapeutics Part IV: MiRNAs in human parasitic diseases 11. MiRNA in parasitic and helminth related diseases diagnosis and therapeutics Part V: MiRNA based delivery systems 12. MiRNA based delivery systems Part VI: MiRNA based system approaches 13. MiRNA Omics 14. MiRNA based interference technology