Mesa-area health brief: Measles update, AHCCCS system change, VA upgrades, and air quality map

Mesa, AZ residents are seeing several health-related updates this week spanning outbreak tracking, health insurance operations, hospital infrastructure, and local air-quality monitoring.

Outbreak watch: CDC updates measles count

The Centers for Disease Control and Prevention (CDC) updated its national measles summary on Feb. 27, reporting 1,136 confirmed measles cases in the U.S. in 2026 as of Feb. 26. The CDC report lists Arizona among the jurisdictions reporting cases this year and notes that most confirmed cases have been associated with outbreaks.

The CDC update also points readers to state-level pages for more real-time details from jurisdictions reporting cases.

Health insurance operations: AHCCCS schedules a behind-the-scenes data upgrade

Arizona’s Medicaid agency, AHCCCS, posted a Feb. 25 timeline update for its Medicaid Enterprise System (MES) modernization program. The agency says it is preparing to implement a new Electronic Data Interchange (EDI) translator on March 1, 2026.

AHCCCS describes the translator as a technical, behind-the-scenes change intended to support faster and more efficient data exchange with trading partners such as health plans and clearinghouses.

Hospital system: Phoenix VA announces infrastructure upgrades

The Phoenix VA Health Care System announced Feb. 26 that it has begun infrastructure upgrades intended to support safe and effective patient care. The VA listed projects that include renovating and expanding a laboratory, renovating and modernizing an operating suite, renovating pharmacy space, modernizing or replacing HVAC units in multiple buildings, and renovating an infusion clinic.

The release says the work is part of a broader Veterans Health Administration Non-Recurring Maintenance program to modernize, repair, and improve facilities in fiscal year 2026.

Local advisory: Maricopa County air quality status map updates in real time

For residents monitoring day-to-day conditions, Maricopa County’s Air Quality Department maintains a public Air Quality Index (AQI) status map with category definitions (Good to Hazardous) and a visible update timestamp. The map showed an update on March 3.

Sources

https://www.cdc.gov/measles/data-research/
https://www.azahcccs.gov/shared/News/GeneralNews/MES_Modernization_Update2.html
https://www.va.gov/phoenix-health-care/news-releases/phoenix-va-upgrades-health-care-infrastructure/
https://airvision.maricopa.gov/AirVision/Modules/Maps/OpenStreetMap.aspx

If you have urgent symptoms, seek medical care. For general questions, talk with a licensed clinician.