Measles Outbreak Daily

Tucson and Amarillo Add Cases as CDC Flags Wastewater Gaps

Monday, July 20, 2026 · 8 min

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Pima County confirmed a fully vaccinated Tucson resident with measles after international travel, while Amarillo reported its first 2026 local case and CDC reporting warns wastewater surveillance can miss some measles genotypes.

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Pima County confirmed a fully vaccinated Tucson resident with measles after international travel, while Amarillo reported its first 2026 local case and CDC reporting warns wastewater surveillance can miss some measles genotypes.

In this episode

  1. Measles case confirmed in Tucson resident — Arizona Daily Star

    Measles case confirmed in Tucson resident You have permission to edit this article. Edit Read Today's E-edition Share This Measles case confirmed in Tucson resident; locations of possible exposures listed × See the A1 covers from the past for this day in history. Prefer us on Google Health authorities are investigating a confirmed case of measles in Pima County involving a Tucson…

  2. Health alert: First measles case of 2026 reported in Amarillo area — ABC 7 News

    Health alert: First measles case of 2026 reported in Amarillo area Download the AppGet your news faster with our mobile experience Install Now77°Sun95°Mon98° Watch # Health alert: First measles case of 2026 reported in Amarillo area --- by Jamie Burch, ABC 7 News Fri, July 17, 2026 at 11:58 AM Updated Fri, July 17, 2026 at 12:05 PM 3VIEW ALL PHOTOS Paramyxovirus measles virus, and…

  3. Step Back — With the U.S. at 2,260 measles cases across 44 jurisdictions, how should an ordinary family read that number: does it mean measles risk is broadly rising everywhere, or is the real risk still concentrated around specific outbreaks, exposure sites, and undervaccinated pockets?

    Background sources

  4. CDC report notes challenges of using wastewater detection for measles, other viruses | AHA News — AHA News

    CDC report notes challenges of using wastewater detection for measles, other viruses | AHA News Jul 17, 2026 - 04:03 PM A Centers for Disease Control and Prevention report released July 16 found that wastewater surveillance failed to detect an internationally circulating measles genotype that accounted for about 5% to 10% of U.S. measles cases in 2025, highlighting potential challenges of using…