raster icon; blue and gray; white background; report; student; school; teacher; education; meeting; person; conference; screen; virus; cell; study; board; class; presentation; learning; panel; research; biology; bacteria; teaching; lesson; lecturer; classroom; slideshow; lecture; seminar; concept; spore; chalkboard; ameba; stirrer; reporter; organism; axenic; bacilla; parasite; microorganism; pest; pathogen; microbe; idler; goad; infectious; infection; bacterium; bloodsucker; amoeba; bacillus; deadbeat; sucker; provocative; fillip; germ; isolated; glyph; pictogram; symbol; flat: Bilder zum Thema raster icon; blue and gray; white background; report; student; school; teacher; education; meeting; person; conference; screen; virus; cell; study; board; class; presentation; learning; panel; research; biology; bacteria; teaching; lesson; lecturer; classroom; slideshow; lecture; seminar; concept; spore; chalkboard; ameba; stirrer; reporter; organism; axenic; bacilla; parasite; microorganism; pest; pathogen; microbe; idler; goad; infectious; infection; bacterium; bloodsucker; amoeba; bacillus; deadbeat; sucker; provocative; fillip; germ; isolated; glyph; pictogram; symbol; flat bei ClipDealer