if we want to keep away from bacteria ,we must do something.
First ,we should keep our hand clean when we eat food.this can keep our stomach away from bacteria.And we also should wash hand after go out of the toilet.
Second ,we should keep our clothes clean.After we wash them,we should put them in the sunlight,to kill the bacteria.
At last,we should clean our home everyday to keep it tidy ,and have fresh air.