Trending Now - Measles Surge in U.S. Sparks Crisis Across Borders and States
WHO:
CNN - President Trump is mentioned in relation to vaccine skepticism during his administration.
CNN - Claudia Sheinbaum is the president of Mexico.
CNN - Dr. Miguel Nakamura is the director of epidemiological information at Mexico’s Health Ministry.
CNN - Samuel Ponce de León is an epidemiology professor at the National Autonomous University of Mexico.
CNN - Oscar Peters is the principal of the Esperanza Mennonite school.
CNN - Dr. Alexis Hernández is the top state health official in Cuauhtemoc, Mexico.
CNN - Dr. Hugo Covián is a state health official in Chihuahua, Mexico.
Alternet - Gov. Ron DeSantis is mentioned in relation to policies affecting vaccination rates in Florida.
Alternet - Joe Ladapo is the Surgeon General of Florida.
WHAT:
CNN - By the end of 2025, Chihuahua state had confirmed around 4,500 measles cases, more than in the entire United States.
Alternet - As of the week ending May 2, Florida has reported 150 confirmed measles cases this year.
Alternet - The number of reported cases in Collier County has remained steady at 106, with most cases affecting those aged 15 to 24.
CNN - A measles outbreak in the U.S. began in Seminole, Texas, resulting in over 760 infections and 99 hospitalizations.
CNN - Three Americans died due to the measles outbreak.
CNN - At least 40 Mexicans have died from measles complications since the start of 2025.
CNN - More than 17,000 measles infections have been confirmed in Mexico since the start of 2025.
Alternet - Florida has reported 152 confirmed measles cases in 2025-26, with 145 confirmed cases so far this year.
Alternet - Collier County is the center of a measles outbreak that began in January at Ave Maria University, with 106 reported cases.
WHERE:
CNN - The outbreak originated in Seminole, Texas, and spread to Mexico, particularly in Chihuahua state.
CNN - Cuauhtemoc is a city in Chihuahua, Mexico, where the outbreak significantly impacted the Mennonite community.
Alternet - Florida is experiencing a measles outbreak, particularly in Collier County.
WHEN:
CNN - The first death in Cuauhtemoc's outbreak occurred in early June 2025.
CNN - The measles outbreak in the U.S. began in early 2025.
CNN - The first death in Cuauhtemoc's outbreak occurred in early June.
CNN - The outbreak in Chihuahua state killed 21 people by the end of the year.
Alternet - The measles outbreak in Florida began in January.
WHY:
CNN - Mexico's vaccine program has deteriorated due to cuts in health spending, the Covid pandemic, and a botched restructuring of the national medical system.
CNN - The outbreak is attributed to declining vaccine coverage and vaccine skepticism.
CNN - Mexico's vaccine program has deteriorated due to government disarray and health spending cuts.
Alternet - Vaccine hesitancy and fear sown by political figures are contributing to the outbreak in Florida.
HOW:
CNN - Health authorities in Chihuahua state provided shots to almost half of the state's roughly 4 million residents during the vaccination campaign.
CNN - The measles virus spread through unvaccinated individuals, particularly in communities with low vaccination rates.
CNN - Health officials in Mexico conducted genetic tests on more than 100 cases to trace the virus's origin.
Alternet - Florida's health officials have been criticized for not treating the outbreak as a health issue, contributing to its spread.
(UPDATED May 17, 2026 19:16 UTC)
Chihuahua state has confirmed around 4,500 measles cases by the end of 2025, surpassing the total number reported in the entire United States. In Florida, there have been 150 confirmed measles cases this year, with Collier County reporting a steady count of 106 cases primarily affecting individuals aged 15 to 24. The outbreak in Cuauhtemoc, which has been exacerbated by a deteriorating vaccine program and health system issues, saw its first death in early June 2025, prompting health authorities in Chihuahua to administer shots to nearly half of the state's population during their vaccination campaign.
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(UPDATED May 17, 2026 11:17 UTC)
A significant measles outbreak has emerged, starting in Seminole, Texas, and spreading to Mexico, particularly impacting the Mennonite community in Cuauhtemoc, Chihuahua, where over 17,000 infections have been confirmed since the start of 2025. The outbreak has also reached Florida, with Collier County reporting 152 confirmed cases this year, largely attributed to declining vaccine coverage and skepticism fueled by political figures, including Governor Ron DeSantis. Tragically, the outbreak has resulted in three deaths in the U.S. and at least 40 fatalities in Mexico due to complications from the virus.