covid-19 viruses captured in nanofibers . 3d render . view 6

air airborne allergens antibacterial antiviral bacteria bioaerosol bioaerosols breathing caught circulation closeup contagious contaminants contaminate contaminating coronavirus covid disease diseases droplets extreme fibers filaments filter filtering filtration fine flu germs illustration infecting infection influenza macro magnification mask micro microbes microfilaments microfilter microorganisms mold nano nanofibers particles pathogen pathogens render respiratory spores spreading sticking strands strings stuck synthetic thin transmission transmitted transmitting trapped trapping viral virus viruses