Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
Fleas are small insects that survive by feeding on animal or human blood. Their bites can cause discomfort, itchiness, and irritation. Fleas can transmit germs that cause disease when they feed on hosts, or through their fecal contamination.
To receive email updates about this page, enter your email address:
An official website of the United States government
An official website of the United States government
