coronavirus or flu superbug on pink background, 3d rendering, sars-cov-2 corona virus like gear mechanism. concept of science

background banner blue cell cogwheel concept corona coronavirus cov covid covid19 flu gear gearwheel germ global health illustration influenza internal macro mechanism medical medicine microbe microbiology microscope microscopic organism outbreak pandemic pink render research sars science scientific shape superbug technology viral virology virus wallpaper wheel world