The New Mexico and CDC study estimates that containing a 2025 measles outbreak cost nearly $5.4 million, averaging more than $53,000 per confirmed case. Public health response activities accounted for about $3.2 million (with vaccination efforts around $2.1 million), while direct medical costs were roughly $290,000 and lost productivity nearly $1.6 million. Researchers note some expenses—like over-the-counter medicines and travel—were likely not fully captured, and experts warn that falling vaccination rates raise the risk of similarly costly outbreaks.
Study: A Single U.S. Measles Outbreak Can Cost Nearly $5.4 Million
A health worker prepares a measles vaccine at a government health center amid a vaccination campaign, in Nejapa, El Salvador April 10, 2026. REUTERS/Jose Cabezas
A new analysis by New Mexico health officials and researchers at the Centers for Disease Control and Prevention estimates that containing a 2025 measles outbreak that reached New Mexico cost nearly $5.4 million in total. The study, published in Annals of Internal Medicine, captures medical expenses, public health response costs and lost productivity tied to the cluster.
Overview of the Outbreak
The outbreak began in an undervaccinated community in west Texas in January 2025 and spread across the state line into New Mexico in February, first appearing in border communities. Public health authorities ultimately confirmed 100 cases in the New Mexico cluster (57 adult patients and 43 infected children), along with 205 exposed contacts who were quarantined and 133 public health responders involved in containment. The CDC declared the outbreak over in September 2025.
Cost Breakdown
The researchers estimated an overall containment cost of nearly $5.4 million, averaging more than $53,000 per confirmed case. Key components included:
- Public Health Response: Roughly $3.2 million, with vaccination-related activities comprising about $2.1 million of that total.
- Direct Medical Costs: Approximately $290,000, including $238,000 tied to seven hospitalizations, $32,000 for 79 outpatient visits and $20,000 for 1,286 commercial laboratory tests.
- Lost Productivity: Nearly $1.6 million from missed work by adult patients, adult caregivers of children under 15, exposed adult contacts and one patient who died.
Broader Context
The United States recorded more than 2,300 confirmed measles infections in 2026, surpassing 2025 and marking the highest annual total in 35 years amid declining vaccination coverage. Experts say these trends weaken the protections that prevent measles spread and increase the likelihood of costly outbreaks.
Expert Observations and Limitations
Katherine Wells of Lubbock Public Health, writing separately about the west Texas origin of the cluster, noted that even a seemingly small number of cases can trigger a large cascade of exposures, system disruptions and expensive response efforts. She warned that public impressions of case counts can underestimate the scale and cost of containment.
The study authors acknowledged limitations: some costs may be underestimated or absent from the analysis, such as over-the-counter medications, travel expenses for care and other noncaptured expenditures. The CDC declined to comment and the New Mexico Department of Health did not immediately respond to requests for comment.
Takeaway
The New Mexico analysis highlights that the true burden of measles outbreaks extends far beyond case counts: substantial public health resources, medical care and economic productivity are at stake. Strengthening vaccination coverage and outbreak-prevention systems remains crucial to avoid similar high-cost events.
Reporting: Nancy Lapid. Edited by: Caroline Humer and Lisa Shumaker.
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