Measles outbreak 2026: Pima County is tracing a confirmed Tucson case with public exposure sites, while a CDC report warns wastewater surveillance missed a circulating genotype—sharpening the need for symptom monitoring and validated lab methods.

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

   Measles case confirmed in Tucson resident

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Health authorities are investigating a confirmed case of measles in Pima County involving a Tucson…

Measles warning issued after 2 infectious travelers passed through Bush Airport - Houston News Network — Houston News Network

Measles warning issued after 2 infectious travelers passed through Bush Airport - Houston News Network

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# Measles warning issued after 2 infectious travelers passed through Bush Airport

Jul 17, 2026 - 00:00

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Healthcare providers were asked to watch for symptoms after two people with confirmed measles traveled through the airport while…

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…

Daily TopFive for Measles Outbreak Daily. Links above go to the original articles. Follow and rate Measles Outbreak Daily on Apple Podcasts or Spotify. Feedback? Email [email protected].

Maryland measles cases rose to nine after five Carroll County residents tested positive following out-of-state travel, while Idaho reported its 10th case and Arizona’s Yavapai County confirmed its first. New exposure notices keep the 2026 U.S. surge moving across state lines.

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1. Two measles cases reported in Chester County as officials reveal more data on Pa.’s outbreak — The Philadelphia Inquirer

   # Two measles cases reported in Chester County as officials reveal more data on Pa.’s outbreak

Author: Aubrey Whelan

Published: 2026-07-16T16:04:41-04:00

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Two measles cases reported in Chester County as officials reveal more data on Pa.’s outbreak

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Maryland health officials confirm five new measles cases, urge vaccination checks — FOX45 News

# Five measles cases reported in Maryland residents following recent out-of-state travel

Author: Chris Montcalmo

Published: 2026-07-16T17:04:55+00:00

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Five measles cases reported in Maryland residents following recent out-of-state travel

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Vaccinated adult contracts measles in East Idaho | Local | idahostatejournal.com — Idaho State Journal

Vaccinated adult contracts measles in East Idaho | Local | idahostatejournal.com

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A sign is seen outside of Seminole Hospital District offering measles testing, Feb. 21, 2025, in Seminole, Texas.

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Eastern Idaho Public Health reported a case…

Yavapai County confirms measles case in Prescott area — KNAU

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OHA news release, July 13, 2026 - Three Providence locations become latest measles exposure sites — Providence

OHA news release, July 13, 2026 - Three Providence locations become latest measles exposure sites

Home» Regional Blog & News» OHA news release, July 13, 2026 - Three Providence locations become latest measles exposure sites

# OHA news release, July 13, 2026 - Three Providence locations become latest measles exposure sites

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CDC measles data show the U.S. at 2,231 cases as of July 9, just 58 shy of 2025’s full-year total, as new local alerts in Wyoming and Arizona push vaccination clinics and exposure warnings into the foreground.

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1. Measles case reported in Yavapai County | News | dcourier.com — The Daily Courier

   Measles case reported in Yavapai County | News | dcourier.com

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Yavapai County Community Health Services (YCCHS) has confirmed one new measles case in a Yavapai County resident. Disease surveillance is actively being conducted and have identified four public locations where people may have been exposed to measles.

Public exposure site People…

Measles vaccine walk-in clinic for kids scheduled amid 'community spread' — Buckrail

Measles vaccine walk-in clinic for kids scheduled amid 'community spread'

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JACKSON, Wyo. — As Teton County contends with an outbreak of measles, the Teton County Health Department (TCHD) will hold a walk-in measles, mumps and rubella (MMR) vaccination clinic on Friday for kids between the ages of 6 months and 4 years old.

With five cases of the highly contagious…

Measles cases in 2026 are set to surpass last year's total. Here's why - ABC News — ABC News

# Measles cases in 2026 are set to surpass last year's total. Here's why - ABC News

Author: ABC News

Published: 2026-07-15T22:19:12+00:00

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Measles cases in 2026 are set to surpass last year's total. Here's why - ABC News

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ACIP vote on combo measles vaccine could especially affect families in greater need | CIDRAP — CIDRAP

ACIP vote on combo measles vaccine could especially affect families in greater need | CIDRAP

# ACIP vote on combo measles vaccine could especially affect families in greater need

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Children receiving a combination measles, mumps, rubella, and varicella vaccine (MMRV) may be more…

Step Back — With 2026 measles cases now on track to pass last year’s total and warnings resurfacing about the U.S. losing its “eliminated” status, what does that label actually mean — and what would have to happen for health officials to say we’ve lost it?Background sources

• Measles elimination status in the United States and Mexico - PAHO/WHO | Pan American Health Organization — 16 Jan 2026
• Update on the review of measles elimination status - PAHO/WHO | Pan American Health Organization — 2 Mar 2026
• PAHO calls for regional action as the Americas lose measles elimination status - PAHO/WHO | Pan American Health Organization — 10 Nov 2025
• After a year of measles outbreaks, is the virus endemic in U.S.? — Nbcnews
• The U.S. will likely lose its measles elimination status. ... — Maria Godoy
• Measles cases in 2026 are set to surpass last year's total. Here's why - ABC News — ABC News
• International health authorities to assess US measles situation | AP News — AP News
• The U.S. is on the verge of losing its measles elimination status | PBS News — PBS News

Daily TopFive for Measles Outbreak Daily. Links above go to the original articles. Follow and rate Measles Outbreak Daily on Apple Podcasts or Spotify. Feedback? Email [email protected].

Wyoming measles outbreak officials declared an emergency in Teton County as local spread reached Jackson; Utah reports 49 hospitalizations, Pennsylvania launched a 105-case dashboard, and Iowa confirmed its first 2026 case.

In this episode

1. Measles reaches ‘community spread’ with fourth case | Wyoming Public Media — Wyoming Public Media

   # Wyoming Authorities Declare State of Emergency After Measles Outbreak | NTD

Published: 2026-07-14T21:50:14+00:00

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Wyoming Authorities Declare State of Emergency After Measles Outbreak | NTD

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Public Health Alerts: Measles hospitalizations in Utah ... — CIDRAP

Public Health Alerts: Measles hospitalizations in Utah, 2025-2026 | CIDRAP

# Public Health Alerts: Measles hospitalizations in Utah, 2025-2026

Public Health Alerts

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A Public Health Alerts report today details the characteristics of 49 hospitalized measles patients in…

Pennsylvania health department launches measles dashboard to track outbreaks | PhillyVoice — PhillyVoice

Pennsylvania health department launches measles dashboard to track outbreaks | PhillyVoice

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First 2026 measles case confirmed in Iowa resident | Local News | maqnews.com — maqnews.com

First 2026 measles case confirmed in Iowa resident | Local News | maqnews.com

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The Iowa Department of Health and Human Services (Iowa HHS) has confirmed a case of measles in a vaccinated adult resident of central Iowa. Measles infection was acquired during international travel.

This is the first measles case identified in Iowa in 2026. Iowa reported a…

Measles return to Tennessee: What East Tennessee families need to know — WVLT

Measles return to Tennessee: What East Tennessee families need to know

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KNOXVILLE, Tenn. (WVLT) - Measles has returned to Tennessee, with two confirmed cases in Middle Tennessee — the first in the state since before 2025, when the disease had been absent for more than 20 years. There are no known cases in East Tennessee, but Knox County…

Daily TopFive for Measles Outbreak Daily. Links above go to the original articles. Follow and rate Measles Outbreak Daily on Apple Podcasts or Spotify. Feedback? Email [email protected].

CDC measles case count hit 2,231 as Wyoming confirmed a third linked case, Pennsylvania’s Lancaster County added seven, Oregon listed Portland-area exposure windows, and Kansas saw wastewater detection without confirmed cases—signals that elimination-status pressure is still building.

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1. Tracking U.S. Measles 2026: 2,100 Cases Put Elimination Status at Risk — U.S. News

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WDH Confirms 3rd Measles Case of the Year - SweetwaterNOW — SweetwaterNOW

WDH Confirms 3rd Measles Case of the Year - SweetwaterNOW

CHEYENNE — The Wyoming Department of Health has confirmed a third measles case this year.

The department said the infection occurred in an adult with an unknown vaccination status and was linked to two previous cases in Teton County through the same chain of transmission. Measles is a highly contagious disease that hasn’t resulted in any…

Measles cases rise by 7 in Lancaster County in past week; Chester and York counties also see new cases | Health | lancasteronline.com — Lancaster Online

# Measles cases rise by 7 in Lancaster County in past week; Chester and York counties also see new cases | Health | lancasteronline.com

Author: ANNE GARBER | Health reporter

Published: 2026-07-13T00:00:00

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Measles cases rise by 7 in Lancaster County in past week; Chester and York counties also see new cases | Health |…

Measles exposure sites return to Portland area after weeks without public alerts - oregonlive.com — The Oregonian/OregonLive

# Three measles exposure locations identified in Oregon, OHA urging public to speak to health care provider - KTVZ

Author: Gregory Deffenbaugh

Published: 2026-07-14T00:35:03+00:00

Source: ktvz.com (ktvz.com)

Language: en

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Three measles exposure locations identified in Oregon, OHA urging public to speak to health care provider - KTVZ

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Measles detected in wastewater in Douglas County, but no cases have been confirmed | News, Sports, Jobs - Lawrence Journal-World: news, information, headlines and events in Lawrence, Kansas — Lawrence Journal-World

# Measles detected in wastewater in Douglas County, but no cases have been confirmed | News, Sports, Jobs - Lawrence Journal-World: news, information, headlines and events in Lawrence, Kansas

Published: 2026-07-13T22:19:00+00:00

Source: www2.ljworld.com (www2.ljworld.com)

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Measles detected in wastewater in Douglas County, but no cases have been confirmed | News, Sports,…

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Measles outbreak 2026 has new state-level signals: Tennessee reports its second case, Wyoming its third, Philadelphia warns of a July 4 airport exposure, and CIDRAP says 61 new U.S. cases put the country close to last year’s total.

In this episode

1. Tennessee Department of Health confirms state’s second case of measles this year in Middle TN — WSMV

   # Tennessee Department of Health confirms state’s second case of measles this year in Middle TN

Author: Braden Ross

Published: 2026-07-13T01:12:57.948000+00:00

Source: wsmv.com (wsmv.com)

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Tennessee Department of Health confirms state’s second case of measles this year in Middle TN

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Third Measles Case of 2026 Confirmed by Wyoming Department of Health - Wyoming Department of Health — Wyoming Department of Health

# Third Measles Case of 2026 Confirmed by Wyoming Department of Health - Wyoming Department of Health

Author: Monique McBride

Published: 2026-07-12T02:41:09+00:00

Source: health.wyo.gov (health.wyo.gov)

Language: en

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Third Measles Case of 2026 Confirmed by Wyoming Department of Health - Wyoming Department of Health

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Health Department Warns of Possible Measles Exposure at the Philadelphia International Airport | Department of Public Health | City of Philadelphia — City of Philadelphia

Health Department Warns of Possible Measles Exposure at the Philadelphia International Airport | Department of Public Health | City of Philadelphia

PHILADELPHIA—The Philadelphia Department of Public Health is notifying travelers and others of a possible measles exposure at the following location:

Philadelphia International Airport Terminals A, B, and C

- Saturday, July 4th, 2026 between 7:30…

With 61 new cases, US measles outbreak fast approaching last year’s total | CIDRAP — CIDRAP

# With 61 new cases, US measles outbreak fast approaching last year’s total | CIDRAP

Published: 2026-07-10T19:58:00+00:00

Source: cidrap.umn.edu (cidrap.umn.edu)

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With 61 new cases, US measles outbreak fast approaching last year’s total | CIDRAP

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PA measles cases spark concern among Delaware health officials — Delaware News Journal

PA measles cases spark concern among Delaware health officials

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# DE health officials 'on pins and needles' after measles cases in PA

Isabel Hughes

Delaware News Journal

Updated July 10, 2026, 3:39 p.m. ET

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As measles cases increase in Pennsylvania, Delaware health officials say they are on high alert, warning that “infectious diseases…

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Florence ICE Detention Center now has seven active measles cases, more than doubling a locked-facility outbreak as attorneys and lawmakers face access limits. In Colorado, Mesa County is scaling back after seven confirmed cases and no new detections in recent weeks.

In this episode

1. Florence ICE facility measles outbreak grows to seven cases — Phoenix New Times

   Florence ICE facility measles outbreak grows to seven cases

The Department of Homeland Security's detention center in Florence.

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For the second time this year, Immigration and Customs Enforcement’s Florence Detention Center is dealing with a measles outbreak. As a result, advocates say, detainees’…

Step Back — With the Florence ICE facility outbreak now at seven confirmed measles cases, how does containment work in a locked congregate setting — who has the authority to isolate people, offer or require MMR, and notify outside contacts — and what can the public outbreak numbers actually tell us versus leave out?Background sources

• Stanton, Kelly, Ansari, Grijalva Demand Answers on Measles Outbreak at Arizona Immigration Detention Facilities | Newsroom | Congressman Greg Stanton — Congressman Greg Stanton
• Kelly, Stanton, Ansari, Grijalva Demand Answers on Measles Outbreak at Arizona Immigration Detention Facilities - Senator Mark Kelly — Senate
• Measles detected at Dilley immigrant family detention center — Lomi Kriel, Alex Nguyen
• Most of Texas’ 175 measles cases are in federal detention centers — Stephen Simpson

Exclusive data: More than 74,000 older adults seek measles immunity tests amid U.S. outbreaks | The Lund Report — The Lund Report

# Exclusive data: More than 74,000 older adults seek measles immunity tests amid U.S. outbreaks | The Lund Report

Published: 2026-07-09T18:03:51+00:00

Source: thelundreport.org (thelundreport.org)

Language: en

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Exclusive data: More than 74,000 older adults seek measles immunity tests amid U.S. outbreaks | The Lund Report

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Successful public health response limits spread of measles | Mesa County — Mesa County

Successful public health response limits spread of measles | Mesa County

#### Stage 2 Fire Restrictions enacted

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Daily TopFive for Measles Outbreak Daily. Links above go to the original articles. Follow and rate Measles Outbreak Daily on Apple Podcasts or Spotify. Feedback? Email [email protected].

CDC measles case count stands at 2,170 across 41 jurisdictions as Iowa reports its first confirmed 2026 case, underscoring how traveler exposures and local vaccination gaps can decide whether an introduction fizzles or becomes a cluster.

In this episode

1. Iowa measles case reflects growing national trend — KCCI

   # Iowa measles case reflects growing national trend

Author: Pepper Purpura

Published: 2026-07-09T03:25:00+00:00

Source: kcci.com (kcci.com)

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Iowa measles case reflects growing national trend

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Step Back — With Iowa reporting its first 2026 measles case and new traveler exposure alerts popping up, what makes one measles case fizzle out while another turns into a cluster — vaccination levels, contact tracing speed, the setting, or just bad luck?Background sources

• Measles Cases and Outbreaks | Measles (Rubeola) | CDC — CDC
• The 2025 measles outbreak in Texas | BMC Infectious Diseases | Springer Nature Link — Springer Nature Link
• Forecasting and quantifying the role of vaccination strategies in the 2025 Texas measles outbreak: a modeling and time series analysis approach | BMC Infectious Diseases | Springer Nature Link — Springer Nature Link
• Frontiers | Mobility between communities can reduce the impact of measles intervention during an outbreak: a mathematical modeling study — Frontiersin
• What ProPublica Found in the Genetic Code of America’s Measles Outbreaks — ProPublica — Propublica

Daily TopFive for Measles Outbreak Daily. Links above go to the original articles. Follow and rate Measles Outbreak Daily on Apple Podcasts or Spotify. Feedback? Email [email protected].

Pennsylvania measles cases climbed to 94 after five new reports, with Lancaster County at 48 — triple last year’s statewide count. The episode also explains why delayed exposure notices can still drive post-exposure shots, immunoglobulin, and symptom isolation.

In this episode

1. Measles cases in Pennsylvania climb to 94 — WGAL News 8

   # Dozens of measles cases in Pennsylvania — what’s driving the spike?

Published: 2026-07-06T18:09:08+00:00

Source: delawareonline.com (delawareonline.com)

Language: en

## Story

Dozens of measles cases in Pennsylvania — what’s driving the spike?

[The News Journal](https://www.delawareonline.com/)

[Wilmington releases report on Caesar Rodney's slavery…

Step Back — When measles exposure notices name a grocery store, cafe, or airport days later, what are health officials actually trying to accomplish at that point — is there still time to prevent illness, or is it mostly about getting people to recognize symptoms and isolate quickly?Background sources

• Clinical Overview of Measles | Measles (Rubeola) | CDC — CDC
• What to Do If You Were Exposed to Measles | Division of Public Health — Division of Public Health
• City of St. Louis Department of Health Issues Advisory on Potential Measles Exposure at St. Louis Lambert Airport - St. Louis Lambert International Airport — Roger Lotz
• Wake County Public Health identifies potential measles exposure at several locations | Wake County Government — Wake County Government
• Prevent and respond to measles: A resource for businesses — Utah

Daily TopFive for Measles Outbreak Daily. Links above go to the original articles. Follow and rate Measles Outbreak Daily on Apple Podcasts or Spotify. Feedback? Email [email protected].

CDC measles case count is at 2,170 across 41 jurisdictions as sequencing helps distinguish linked outbreak chains from separate sparks; a new global study ties armed conflict to higher measles burden through missed vaccinations and displaced care.

In this episode

1. Armed conflict tied to higher measles burden worldwide | CIDRAP — CIDRAP

   Armed conflict tied to higher measles burden worldwide | CIDRAP

# Armed conflict tied to higher measles burden worldwide

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Armed conflict is associated with higher measles burden through missed vaccinations, weakened healthcare systems, population displacement, and socioeconomic…

Step Back — When the national measles tally crosses 2,000, are we mostly looking at one big outbreak spilling across state lines, or lots of separate sparks — and how can public health officials tell the difference?Background sources

• Measles Cases and Outbreaks | Measles (Rubeola) | CDC — CDC
• US Scientists Sequence 1,000 Genomes From Measles, a Disease Long Eliminated With Vaccines - KFF Health News — Amy Maxmen
• What ProPublica Found in the Genetic Code of America’s Measles Outbreaks — ProPublica — Propublica
• Notes from the Field: Retrospective Analysis of Wild-Type Measles Virus in Wastewater During a Measles Outbreak — Oregon, March 24–September 22, 2024 | MMWR — MMWR
• Notes from the Field: Initial Public Health Response to a Measles Outbreak in a Close-Knit West Texas Community — January−February 2025 | MMWR — MMWR
• US measles cases surpass 2,000 for the 2nd year in a row: CDC - ABC News — ABC News

Daily TopFive for Measles Outbreak Daily. Links above go to the original articles. Follow and rate Measles Outbreak Daily on Apple Podcasts or Spotify. Feedback? Email [email protected].