Itchy nostrils are not infected with a new coronavirus. Although the virus invades the nasal cavity and causes an itchy sensation, a person infected with a new coronavirus mainly develops respiratory symptoms, such as coughing, in addition to shortness of breath, dyspnea and fever.
And nostril dryness allergen irritation, etc. can also produce nasal itching sensation.
So itchy nostril is not necessarily a new coronavirus infection, and infected with new coronavirus, also not necessarily itchy nostril, but also in combination with medical history and other symptoms.