Besides strep throat, that little white ball that comes out of back of throat if it has a bad odor is from infected tonsils. Also, what most people don't realize is that your toothbrush accumulates germs from constant exposure to your mouth and germs inside. Just washing toothbrush is not enough. Boil some water and put into a cup and put the toothbrush into it and let it stay for 10 minutes to kill strep germs. Change toothbrushes often to prevent bacteria buildup. Try it.