pixel art virus game asset

virus pixel green cartoon icon microorganism bacteria germ infection disease cute character biology science health medical pathogen microscopic fun expression face cell contagion epidemic pandemic happy smile adorable mascot mutation outbreak hazard playful protection microbiology danger healthcare medicine fever bacterium illness flu quarantine death safety alertness symptom pneumonia unhygienic art game asset design vector perfect assets themed designs font line text circle screenshot brand diagram number pattern toy drawing logo presentation games play