the word omicron is assembled from cubes and bacteria on the background of the usa flag. concept of the new virus cavid19 omicron

africa alert assembled background bacteria blue cavid19 color concept copy corona coronavirus covid cubes danger design disease epidemic flag flu health healthcare horizontal illness image infection laboratory letter mask medical medicine mutation new omicron outbreak pandemic photography pneumonia prevention protection quarantine red research science sign south space strain symbol text usa vaccination vaccine virology virus white word