How to Use "epidemic" with Example Sentences

1. Americans are experiencing an epidemic of overweight and obesity .
2. The world health organization calls obesity a global epidemic .
3. Monitoring the chatter , however , may nip such an epidemic in the bud .
4. A full-blown epidemic in a big wheat-growing area could therefore be catastrophic .
5. The swine flu virus in the u.s. is the same one causing a deadly epidemic in mexico . What is swine flu ?