In the United States, the carriers of hantavirus are deer mice, cotton rats, rice rats and white-footed mice. How it's spread: Touching or breathing air particles of urine or droppings from certain ...

In use: Bob had planned to play a trick on the teacher, but Jamie ratted on him/ratted him out, and the teacher gave Bob detention. In use: Aunt Siu-yee wouldn’t let us back in the flat after we ...