1. Ear 2. Nose, Nasal Sinuses, and Face 3. Mouth and Pharynx 4. Larynx and Hypopharynx 5. Voice, Speech, and Language 6. Tracheobronchial Tree 7. Esophagus 8. Neck and Thyroid Gland 9. Salivary Glands Appendix A: Essential Information for Infection and Prevention Control Appendix B: ENT Practice in the COVID-19 Era