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As it is evident that COVID-19 can be transmitted at presymptomatic or asymptomatic period of infections, it is essential to practice ear, nose, and throat surgery with high vigilance in a safe and up-to-standard protection level during the pandemic. This article provides a summary for guidelines and recommendations in otorhinolaryngology. Allergen-specific immunotherapy has established as an indispensable disease-modifying treatment in allergy practice but its safety and efficacy might be furtherly improved by combining it with other dr