How to Use "parasite" with Example Sentences

1. Still , being a parasite does get frustrating .
2. And that kept the worms one evolutionary step ahead of the parasite .
3. One boss calls him a " parasite " who must be eliminated .
4. Killing the host is terminal for the parasite as well as the person .
5. Finally , the parasite returns to a mosquito when the insect bites an infected person .