Well, for sure, everybody nowadays knows how bacteria looks like and what it can cause. That's why always wash your hands when you come home after any place - street, school, public place and even from your friend, because during your path to your home you touch many things that were touched by other people and who knows what and where they have been doing. But to be sure that you wouldn't have problems with these round cells, you better have it as a pink Minimal cursor pack with Bacteria cursor.