Arizona Department of Health Services

Samples from the Sedona Wastewater Treatment Plant tested positive for the measles virus. That indicates that at least one person with a recent infection has been in the area.

Health officials say a measles outbreak is over after 42 days without a new case. It was the largest outbreak in Arizona in more than 30 years, with more than 200 cases in Mohave County alone.

The ongoing measles outbreak along the Arizona-Utah border has surpassed 500 cases.

Arizona health officials are continuing to recommend that all newborns receive a hepatitis B vaccine within 24 hours of birth despite a new recommendation from a Centers for Disease Control and Prevention panel.

A measles outbreak centered in the Colorado City community on the Utah border continues to grow.

The four confirmed measles cases in Navajo County are the first in Arizona in 2025 and mirror a national surge.

Mohave County health officials have reported a surge in whooping cough cases with 18 confirmed so far this year.

Two Prescott-area Republican lawmakers have condemned a report by the Arizona Department of Health that identifies firearms as a significant cause of children's deaths in 2023.

Coconino County health officials say wastewater in Flagstaff has tested positive for avian influenza, commonly known as bird flu.

Arizona Department of Health Services says they've seen an increase in Hantavirus cases this year, with at least nine confirmed infections and three deaths.