An official website of the United States government
Here’s how you know
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.
... such as phlegm (sputum) Smoke inhalation or other inhalation injury Swelling of the neck or face Swollen tonsils or adenoids (such as with tonsillitis ) Vocal cord cancer