aspergillus fungi as a cause of sinusitis. 3d

sinus frontal sinusitis frontitis paranasal ethmoid illustration respiratory anatomy human microbial science nose acute treatment bacterial medical inflammation allergic sickness cavity closeup disease anatomical nasal adult healthy sick infection cold illness medicine headache chronic microbe macro rhinosinusitis air cells fungal fungi aspergillus fumigatus niger flavus mold immunocompromised african afro american