Resources for Alaskans

Infectious Disease Investigation

Public health nursing plays a major role in infectious disease surveillance, investigation, and response. We partner with State of Alaska Epidemiology, labs, and local providers to perform case investigations of tuberculosis, sexually transmitted infections (STIs), foodborne illnesses, and other reportable diseases such as giardiasis and measles. These investigations are conducted in a confidential manner, and help us to determine where or how a person might have gotten sick, and help prevent infections from spreading to others.

What is an infectious disease?

Infectious diseases are illnesses caused by germs such as bacteria, viruses, fungi, or parasides. Some infectious diseases can be passed directly from person to person. Some are transmitted by bites from insects or animals. Others are acquired by ingesting contaminated food or water or being exposed to germs in the environment (


Page updated April 14, 2016