A 25-Year Public Health Achievement Unravels as Cases Surge Past 3,000
February 13th, 2026: South Carolina Outbreak Hits 950 CasesNew here? Follow stories to track developments over time. Create a free account to get updates when stories you care about change.
The United States declared measles eliminated in 2000, after decades of vaccination campaigns against the most contagious virus known to infect humans. On January 22, 2026, that status entered jeopardy when the country passed one year and two days of continuous transmission, starting in West Texas.
By mid-February 2026, CDC confirmed 910 cases across 24 states this year, 90% outbreak-associated. South Carolina's outbreak reached 950 cases by February 13, adding over 160 since late January, with 94% unvaccinated or of unknown vaccination status. National vaccination coverage sits at 92.5%, below herd immunity thresholds; a PAHO review in April is likely to revoke elimination status.
In 2025, the U.S. recorded 2,255 confirmed cases (the most since 1991) and three deaths; five new outbreaks have already been recorded in 2026. Scientists confirmed the same measles strain in Texas, South Carolina, Canada, Mexico, and beyond — the outbreak spans the continent. PAHO issued a February alert on a 43-fold regional case increase; CDC's principal deputy director called potential status loss 'the cost of doing business.'
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Curated perspectives — historical figures and your fellow readers.
Fictional AI pastiche — not real quote.
"I see we've finally achieved what centuries of plague and pestilence could not: we've made stupidity contagious."
Fictional AI pastiche — not real quote.
"I built an empire by understanding that prevention is far cheaper than cure—a lesson I applied to scalp disease that these modern leaders seem to have forgotten about measles. When I traveled town to town, I saw how easily disease spread among our people, yet I also witnessed the power of education and collective action to stop it; today's failure isn't one of science, but of will. There is no profit in allowing our children to suffer what we already learned to prevent."
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PAHO is the WHO regional office for the Americas, responsible for verifying and monitoring measles elimination status in the Western Hemisphere.
The CDC is the U.S. federal agency responsible for disease surveillance, outbreak response, and vaccination policy.
DSHS managed the response to the West Texas measles outbreak that became the epicenter of the national crisis.
March 2000 February 2026
South Carolina DPH reported 950 measles cases in its outbreak—246 under age 5, 611 ages 6-17—with 94% unvaccinated or unknown status. The state surge accounts for most of the national total.
CDC reported 910 confirmed measles cases across 24 jurisdictions year-to-date, up 177 from prior week (24% increase); 90% outbreak-associated with 5 new outbreaks.
South Carolina DPH reported 933 cases (859 unvaccinated); January vaccinations rose 72% year-over-year with 16,800+ doses administered.
PAHO epidemiological alert noted 1,031 cases in first 3 weeks of 2026 across 7 countries (43-fold increase vs 2025), urging vaccination and surveillance; U.S. had 910 cases in 24 states.
South Carolina DPH reported 789 cases, surpassing Texas's 762-case outbreak to become the largest U.S. measles outbreak since elimination was achieved in 2000. The state added more than 600 cases in January 2026 alone, with cases linked to California, North Carolina, and Washington.
South Carolina State Senator Josh Kimbrell, representing Spartanburg County, sent a letter to local school leaders calling the measles outbreak a 'public health crisis' and advocating for remote learning options for unvaccinated students to protect others. More than 700 of the 789 cases were in unvaccinated individuals or those who had not received both recommended MMR doses.
South Carolina DPH reported 700 total cases in the Spartanburg County outbreak, adding 54 cases in three days. The state accounts for 81% of 2026 U.S. cases, with 485 people in quarantine and new exposures identified at five elementary schools.
The U.S. passed one year and two days since continuous measles transmission began, triggering the formal process for potential loss of elimination status. CDC's principal deputy director called potential loss 'the cost of doing business.'
CDC confirmed 416 measles cases nationwide in 2026—an increase of 245 infections in one week, averaging 19 cases per day. Cases reported across 14 jurisdictions including South Carolina, North Carolina, California, and Washington.
PAHO announced an April 13, 2026 meeting to review the measles elimination status of the United States and Mexico.
Following a presidential memorandum, CDC reduced recommended childhood vaccines from 18 to 11 diseases. MMR remained on the core schedule.
Ralph Abraham, Louisiana's surgeon general who had ordered his state to stop vaccine promotion campaigns, was sworn in as CDC's principal deputy director.
PAHO announced the Americas had lost regional measles elimination status after Canada exceeded 12 months of continuous transmission. The region had first achieved this status in 2016.
South Carolina DPH confirmed a new measles outbreak in the Upstate region around Spartanburg County.
Texas DSHS declared the West Texas outbreak over after 762 confirmed cases. The source of the initial infection was never identified.
HHS Secretary Robert F. Kennedy Jr. stated the MMR vaccine is 'the most effective way to prevent the spread of measles,' drawing criticism from anti-vaccine supporters.
An unvaccinated eight-year-old girl died of measles pulmonary failure in Lubbock, Texas. Neither child had underlying health conditions.
An unvaccinated adult in Lea County, New Mexico died after contracting measles.
An unvaccinated six-year-old girl died of measles-related pneumonia in Lubbock, Texas—the first U.S. measles death since 2015.
Texas DSHS officially declared a measles outbreak in Gaines County after identifying six cases in unvaccinated school-aged children.
A child in Gaines County, Texas developed the telltale measles rash, marking what PAHO would later designate as the start of continuous U.S. transmission.
PAHO declared the Americas the first WHO region to eliminate endemic measles transmission.
CDC convened an expert panel that concluded measles elimination criteria had been met. The U.S. became the first country in the Western Hemisphere to achieve this status.
3 moments from history that rhyme with this story — and how they unfolded.
After a decade of relatively few cases, measles resurged dramatically. Over 55,000 people fell ill and 123 died—most of them preschool children in inner-city areas. New York City alone recorded 5,000 cases and 21 deaths. Budget cuts to federal vaccination programs during the Reagan administration had allowed immunization rates to drop.
CDC changed its recommendation to require a second MMR dose before school entry. President Clinton pledged to raise childhood immunization rates.
Congress created the Vaccines for Children program in 1993, and federal funding increased from $37 million in 1990 to $261 million by 1995. Measles was declared eliminated in 2000.
The 1989-1991 outbreak demonstrated how quickly measles can return when vaccination infrastructure erodes. The current outbreak—2,144 cases in 2025—represents the highest case count since that era and raises questions about whether today's policy environment can mount a similar response.
An unvaccinated child visited Disneyland in Anaheim during the Christmas holiday. The outbreak spread to 131 Californians and 159 people in Quebec, Canada. Genetic sequencing linked the virus to a strain circulating in the Philippines. Twenty percent of U.S. cases required hospitalization.
California passed Senate Bill 277, eliminating personal belief exemptions for school vaccinations. Media coverage focused on the consequences of vaccine refusal.
The 'Disneyland effect' temporarily increased vaccination rates in some communities. However, exemption rates nationally have since climbed from 1.9% in 2020-2021 to 3.1% in 2023-2024.
The Disneyland outbreak showed how a single infected visitor could spark multi-state transmission in under-vaccinated communities. The current South Carolina outbreak—spreading to North Carolina and Washington state via holiday travel—follows a similar pattern at larger scale.
Venezuela lost elimination status in July 2018 after an outbreak spread from the country's collapsing healthcare system. Brazil followed in February 2019 after recording 20,901 cases, including 17,816 in São Paulo state. Both countries had achieved elimination in 2016 as part of PAHO's regional declaration.
PAHO provided technical assistance and intensified vaccination campaigns in affected areas.
Venezuela regained elimination status in 2023 after four years. Brazil took five years, regaining status in 2024. The region briefly recovered elimination before Canada's outbreak in 2024-2025.
These precedents show elimination status is recoverable but requires sustained effort over multiple years. Brazil's five-year timeline from loss to reinstatement offers a realistic benchmark for U.S. recovery if status is revoked in April.