viral meningitis(2) transmembrane serine protease 2(2) angiotensin(2) anatomical(2) mild respiratory symptom(2) respiratory symptoms(2) SARS-CoV2(2) nose(2) cough(2) enzyme(2) Region(2) positive(2) Fever(2) vice(2) Neurological symptoms(2) Angiotensin-converting enzyme(2) defined(2) Paranasal sinuses(2) ACE2(2) severe symptom(2) Sagittal section(2) basal cells(2) nasal(2) sustentacular cells(2) Anosmia(2) Basal cell(2) olfactory bulb(2) respiratory epithelium(2) epithelial cells(2) Nasal septum(2)