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measles
As RFK Pushes Vaccine Misinformation, Measles Cases Surge in South Carolina
The US is at risk of losing its measles-eradicated status early next year, according to Scientific American.
Dec 12, 2025
US Rep. Pramila Jayapal on Friday demanded that the Trump administration "stop lying and follow the science" as an outbreak of measles in South Carolina grew and officials warned that low vaccination rates in the affected area likely mean the crisis will continue worsening.
Since the outbreak began in October in Spartanburg County, near the state's northern border, the highly infectious disease has sickened at least 129 people. The vast majority of people who have been infected have not been inoculated against measles, which is 97% preventable via the measles, mumps, and rubella (MMR) shot—which has been erroneously attacked for years by anti-vaccine activists including Health and Human Services Secretary Robert F. Kennedy Jr.
As President Donald Trump and Kennedy "push deadly anti-vaccine conspiracy theories, measles is making a comeback across America," said Jayapal (D-Wash.) on Friday. "People will die because of this."
At least three people, including two children, have already died this year in US measles outbreaks
More than 1,900 measles cases and 47 outbreaks have been reported across the country in 2025, compared with 285 cases across 16 outbreaks last year.
In South Carolina, more than 250 people have been exposed to the disease in schools, a healthcare facility, and a church, forcing dozens of unvaccinated children to quarantine for 21 days; some were exposed twice and had to be isolated for two separate three-week periods.
“That’s a significant amount of time,” Linda Bell, the state's epidemiologist, said at a recent press conference. “Vaccination continues to be the best way to prevent the disruption that measles is causing to people’s education, to employment.”
But Spartanburg County's ongoing outbreak is being driven by “lower-than-hoped-for vaccination coverage,” Bell said.
Public health experts consider a 95% vaccination rate to be the level at which the spread of measles can be eliminated in a community. Only about 90% of students in the county had all required childhood immunizations. South Carolina allows religious exemptions for school immunization requirements. Many of the schools where students have quarantined have vaccination rates "well below 90%," the New York Times reported.
Across South Carolina, MMR vaccination rates among schoolchildren has fallen significantly since 2020, from 96% to 93.5%.
Kennedy has been a longtime denier of vaccine science. In 2019, his anti-vaccine group, Children's Health Defense, tried to sue New York state over its vaccine requirement, which is one of just five in the country that doesn't allow for nonmedical exemptions.
In April, Kennedy visited a Texas community where two unvaccinated children had died of measles and acknowledged in a social media post that "the most effective way to prevent the spread of measles is the MMR vaccine."
“Vaccination continues to be the best way to prevent the disruption that measles is causing to people’s education, to employment.”
But during his visit he also promoted, without evidence, two therapeutic treatments that one vaccine expert told NPR are "valueless" in treating measles. In 2023 Kennedy told podcaster Joe Rogan that the vaccine was not linked to a decline in deaths.
He has recently continued fueling overall skepticism about immunizations, with the Centers for Disease Control and Prevention (CDC) panel he assembled advising that newborn babies whose mothers test negative for hepatitis B should not receive a dose of a vaccine for the disease—sparking fear among public health experts that major progress in reducing childhood cases of the disease over the past three decades will be reversed.
In November the CDC website was changed to say a link between vaccines and autism—a theory that has long been debunked—cannot be ruled out. Two months earlier, as measles cases surged in another outbreak around the Utah-Arizona border, Trump called for combination children's vaccines like the MMR to be split up into separate shots—a call made decades ago by Dr. Andrew Wakefield, who lost his medical license over his 1988 study that linked autism to the combination vaccine, which was later retracted.
High vaccine rates allowed the US to declare measles eliminated in 2000, but Scientific American reported Thursday that the current measles outbreaks are bringing the US "toward losing its measles-free status by early next year."
The worsening measles outbreak in South Carolina, said Sen. Ed Markey (D-Mass.), "is yet another horrifying consequence of Trump and RFK Jr.'s Make America Sick Agenda."
Republican Gov. Henry McMaster has urged residents to be vaccinated against measles, but said on Thursday, "We are not going to do mandates on people to go get vaccinated."
Andrew Nixon, a spokesperson for the US Health and Human Services Department, also continued to suggest that vaccination is principally a matter of personal liberty rather than public health, telling the New York Times that people in the affected community in South Carolina should talk to their doctors about "what is best for them."
On Thursday, Senate Health, Education, Labor, and Pensions Committee Ranking Member Bernie Sanders (I-Vt.) said that along with the Republican Party's vote against extending Affordable Care Act subsidies, the Trump administration is raising questions about its push to "Make America Health Again" as it undermines "lifesaving vaccines and spark[s] disease outbreaks."
"The Trump administration," he said, "is endangering the health of the American people."
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'Absurd Yet Predictable': US Close to Losing Measles Elimination Status Under RFK Jr.
"The CDC is now completely compromised after Trump and RFK Jr. ousted or drove out real, well-intentioned, and intelligent scientists," said one physician.
Nov 21, 2025
US public health officials warned this week that the country is close to following Canada in losing its measles elimination status, a deadly and preventable setback many experts attribute to the vaccine-averse policies and practices of Health and Human Services Secretary Robert F. Kennedy Jr.
Centers for Disease Control and Prevention (CDC) officials have linked the ongoing measles outbreak in Arizona and Utah with the major outbreak in Texas that began in January, both of which are being caused by the same viral subtype. With no signs of slowing, and holiday travel and gatherings fast approaching, experts worry that measles transmission could escalate and the disease will no longer be considered eliminated.
Under World Health Organization guidance, "eliminated" means an absence of endemic virus transmission for 12 months or longer in a defined geographical area under a well-performing surveillance system.
Many public health experts blame the administration of President Donald Trump—and particularly Kennedy's policies—for the measles resurgence. Kennedy, who initially downplayed the seriousness of the Texas outbreak, has endorsed vaccines, but has also made unsupported or misleading claims about the safety and efficacy of measles shots.
"Absurd yet predictable," Dr. Michael O'Brien, an urgent care pediatrician, wrote Thursday on X. "The CDC is now completely compromised after Trump and RFK Jr. ousted or drove out real, well-intentioned, and intelligent scientists. As measles approaches endemic status in the US for the first time since 2000, the CDC has abandoned science and reason."
The anti-vaccination movement is largely to blame for the continuing measles outbreak and the fact that the U.S. is going to lose our measles elimination status. Until RFK Jr. is removed from office, things are only going to get worse. @jimalwine.bsky.social and I wrote about here:
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— Elizabeth Jacobs, PhD (@elizabethjacobs.bsky.social) November 19, 2025 at 2:18 PM
The United States declared measles eliminated in 2000. However, with 1,753 confirmed cases and three deaths in 45 reported outbreaks so far this year, experts say the US is at risk of following Canada, which announced earlier this month that it has lost its elimination status, which it enjoyed since 1998.
As in the US, experts attribute Canada's measles backsliding to declining vaccination rates, mis- and disinformation, and vaccine aversion—especially among religious groups. The West Texas outbreak began in the close-knit, unvaccinated Mennonite community in Gaines County, while the Arizona/Utah outbreak originated among members of a fundamentalist Mormon offshoot.
More than 9 in 10 reported US measles cases this year are among people who have either not been vaccinated or whose vaccination status is unknown.
"We are in this dire situation primarily due to the explosion of the anti-vaccine movement since the start of the Covid-19 pandemic."
Writing for LiveScience, University of Pennsylvania molecular virologist James Alwine and University of Arizona professor emerita and epidemiologist Elizabeth Jacobs warned Wednesday that measles is "a bellwether of declining vaccination rates—a wailing siren that other vaccine-preventable disease outbreaks are just around the corner."
"We are in this dire situation primarily due to the explosion of the anti-vaccine movement since the start of the Covid-19 pandemic," Alwine and Jacobs asserted. "The movement is responsible for undermining trust in scientists and vaccines via a tsunami of misinformation coming from social media accounts and podcast appearances."
The authors continued:
This was made worse when Senate Republicans confirmed Kennedy as secretary of HHS, despite the objections of tens of thousands of scientists, healthcare providers, and public health practitioners. Kennedy is an avowed anti-vaccination proponent who chaired Children's Health Defense, an organization that regularly promotes vaccine misinformation. He is also a conspiracy theorist and has claimed that Covid-19 is a "bioweapon" engineered to "attack Caucasians and Black people" while sparing Ashkenazi Jews; that WiFi causes brain cancer; and that drug use, not HIV, causes AIDS. His appointment opened the door to install anti-vaccine proponents as leaders in public health, such as replacing the members of the Advisory Committee on Immunization Practices (ACIP) with several individuals with links to the anti-vaccine movement. In confirming Kennedy, Senate Republicans utterly failed the people of the US and demonstrated a cavalier disregard for decades of scientific achievement.
In June, Sen. Bernie Sanders (I-Vt.) launched an investigation into Kennedy's ACIP purge. The following month, six major US medical organizations sued Kennedy, alleging his vaccine policies are placing children at grave and immediate risk.
"As the anti-vaccine movement continues to be nurtured by Kennedy and his followers, this threat will only continue to expand and grow more severe," Alwine and Jacobs warned. "Removing state vaccine requirements for school entry—as has happened in Florida—is demonstrative of this, and represents an unacceptable risk."
"Kennedy must be removed from office," they added, echoing a September demand by more than 1,000 current and former HHS officials. "There can be no improvements in public health or vaccination rates as long as he continues his destructive reign."
In September, Congresswoman Haley Stevens (D-Mich.) filed articles of impeachment against Kennedy, declaring that he "has violated his oath of office and proven himself unfit to serve the American people."
Advocacy groups and medical organizations have gathered more than 150,000 petition signatures calling for Kennedy's removal.
On Friday, Congresswoman Kim Schrier (D-Wash.), who chairs the Democratic Doctors Caucus, led 65 colleagues demanding that Kennedy "immediately correct" the CDC website "after it was updated to promote the widely disproven and dangerous claim that vaccines may cause autism."
"RFK Jr.’s decision to spread fringe conspiracy theories and misinformation on the CDC’s official website is reckless," Schrier said in a statement. "He’s scaring parents, undermining trust in the CDC, and putting children at risk.”
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As Florida Ends All Childhood Vaccine Mandates, Doctors Fear Preventable Diseases Will 'Come Roaring Back'
"Florida's decision to erase school vaccine requirements will cause preventable illness and death," said one immunologist. "Not just for kids in Florida, for whole communities, of all ages, across the country."
Sep 03, 2025
In a decision that has terrified medical professionals, Florida's surgeon general announced Wednesday that he would seek to end all childhood vaccine requirements in the state, which he compared to "slavery."
Currently, Florida requires children to be immunized against deadly diseases like measles, mumps, chickenpox, polio, and hepatitis in order to attend public school.
At a press conference alongside the state's anti-vaccine Republican Gov. Ron DeSantis, Florida's surgeon general, Dr. Joseph Ladapo, said that he believed the decision to make these vaccinations optional would receive the blessing of "God."
"Every last one of them is wrong and drips with disdain and slavery," Ladapo said of the mandates. "People have a right to make their own decisions. Who am I, as a government or anyone else, to tell you what you should put in your body? Our body is a gift from God. What you put into your body is because of your relationship with your body and your God."
Many Republican-led states have rolled back requirements for residents to receive the Covid-19 vaccination and, in some cases, restricted access to it. But Ladapo, who has in the past been caught personally altering data to exaggerate the risks of the Covid-19 vaccine, is treading new ground with his pledge to eliminate "every last one" of the state's childhood vaccine mandates, something no state, red or blue, has done.
While Ladapo's decision is unprecedented, it is in step with the position of the current Republican Party, which is making health policy under the stewardship of longtime anti-vaccine influencer Robert F. Kennedy, Jr, who is the secretary of Health and Human Services under President Donald Trump.
Kennedy has limited who is eligible to receive the Covid-19 vaccine and is reportedly considering pulling it from the market altogether. And alongside a handpicked panel of anti-vaccine activists, he has also launched an effort to revise the entire childhood vaccine schedule.
In April, as a measles epidemic swept through pockets of Texas with low vaccination rates and killed two unvaccinated children, Kennedy downplayed the disease's severity and hyped long-disproven claims about the dangers of the Measles, Mumps, and Rubella (MMR) vaccine, which virtually eradicated the disease in the US for over 20 years.
Since the Covid-19 pandemic, the number of parents declining to vaccinate their children has soared across the US. According to the Kaiser Family Foundation, during the 2019-20 school year, just three US states had rates of MMR vaccination lower than 90%. In 2025, that number had increased to 16.
As of July, 1,280 measles cases had been reported in the US—the most cases since 1992, before the MMR vaccine became part of the standard childhood vaccine schedule. In 92% of cases involving children and teenagers, the people who became infected were either unvaccinated or had unknown vaccination statuses.
Following news of Florida's decision to end childhood vaccine requirements, Dr. Paul Offit, the director of the Vaccine Education Center at Children's Hospital of Philadelphia, told the Washington Post: "We can expect that measles will come roaring back. Other infectious diseases will follow. This is an unprecedented move that will only put our children at unnecessary risk."
Measles is not the only vaccine-preventable illness experiencing a resurgence. After the rate of whooping cough vaccinations dropped below the 95% threshold required for herd immunity during the 2023-24 school year, the number of cases of the disease doubled, according to data from the Centers for Disease Control and Prevention (CDC).
"Florida will repeat what happened in West Texas, where immunization rates are low," said Dr. Peter Jay Hotez, a pediatrician who serves as Dean for the National School of Tropical Medicine at Baylor College of Medicine. "All for health freedom propaganda, and lousy Fox News sound bites."
According to CDC data, Florida has one of the lowest rates of childhood vaccination in the country, with just over 88% of kindergarteners receiving the required shots in the 2023-24 school year. But just as they did in Texas, the effects may harm people across the country.
"Florida's decision to erase school vaccine requirements will cause preventable illness and death. Not just for kids in Florida, for whole communities, of all ages, across the country," said Dr. Andrea Love, an immunologist and microbiologist, who writes a newsletter responding to medical misinformation. "Pathogens don't follow state lines."
Dr. Robert Steinbrook, director of Public Citizen's Health Research Group, called the plan "a recipe for disaster and exactly the wrong approach to protecting state residents from infectious diseases."
"High immunization rates against dangerous infectious diseases such as measles and polio protect individuals as well as their communities," Steinbrook said. "If this plan moves forward, Florida will terminate one of the most effective means of limiting the spread of infectious diseases and embolden [Kennedy] to wreak even more havoc on vaccinations nationally. The Florida Legislature and state residents must vociferously reject these plans."
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