measles

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Measles arrives in Kansas, spreads quickly in undervaccinated counties

health, Infectious disease, kansas, measles, MMR, outbreak, Science, texas, unvaccinated, vaccinated, virus / /

On Thursday, the county on the northern border of Stevens, Grant County, also reported three confirmed cases, which were also linked to the first case in Stevens. Grant County is in a much better position to handle the outbreak than its neighbors; its one school district, Ulysses, reported 100 percent vaccination coverage for kindergartners in the 2023–2024 school year.

Outbreak risk

So far, details about the fast-rising cases are scant. The Kansas Department of Health and Environment (KDHE) has not published another press release about the cases since March 13. Ars Technica reached out to KDHE for more information but did not hear back before this story’s publication.

The outlet KWCH 12 News out of Wichita published a story Thursday, when there were just six cases reported in just Grant and Stevens Counties, saying that all six were in unvaccinated people and that no one had been hospitalized. On Friday, KWCH updated the story to note that the case count had increased to 10 and that the health department now considers the situation an outbreak.

Measles is an extremely infectious virus that can linger in airspace and on surfaces for up to two hours after an infected person has been in an area. Among unvaccinated people exposed to the virus, 90 percent will become infected.

Vaccination rates have slipped nationwide, creating pockets that have lost herd immunity and are vulnerable to fast-spreading, difficult-to-stop outbreaks. In the past, strong vaccination rates prevented such spread, and in 2000, the virus was declared eliminated, meaning there was no continuous spread of the virus over a 12-month period. Experts now fear that the US will lose its elimination status, meaning measles will once again be considered endemic to the country.

So far this year, the Centers for Disease Control and Prevention has documented 378 measles cases as of Thursday, March 20. That figure is already out of date.

On Friday, the Texas health department reported 309 cases in its ongoing outbreak. Forty people have been hospitalized, and one unvaccinated child with no underlying medical conditions has died. The outbreak has spilled over to New Mexico and Oklahoma. In New Mexico, officials reported Friday that the case count has risen to 42 cases, with two hospitalizations and one death in an unvaccinated adult. In Oklahoma, the case count stands at four.

Measles arrives in Kansas, spreads quickly in undervaccinated counties Read More »

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Mom of child dead from measles: “Don’t do the shots,” my other 4 kids were fine

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Cod liver oil contains high levels of vitamin A, which is sometimes administered to measles patients under a physician’s supervision. But the supplement is mostly a supportive treatment in children with vitamin deficiencies, and taking too much can cause toxicity. Nevertheless, Kennedy has touted the vitamin and falsely claimed that good nutrition protects against the virus, much to the dismay of pediatricians.

“They had a really good, quick recovery,” the mother said of her other four children, attributing their recovery to the unproven treatments.

Tragic misinformation

Most children do recover from measles, regardless of whether they’re given cod liver oil. The fatality rate of measles is nearly 1 to 3 in 1,000 children, who die with respiratory (e.g., pneumonia) or neurological complications from the virus, according to the Centers for Disease Control and Prevention.

Tommey noted that the sibling who died didn’t get the alternative treatments, leading the audience to believe that this could have contributed to her death. She also questioned what was written on the death certificate, noting that the girl’s pneumonia was from a secondary bacterial infection, not the virus directly, a clear effort to falsely suggest measles was not the cause of death and downplay the dangers of the disease. The parents said they hadn’t received the death certificate yet.

Tommey then turned to the MMR vaccine, asking if the mother still felt that it was a dangerous vaccine after her daughter’s death from the disease, prefacing the question by claiming to have seen a lot of “injury” from the vaccine. “Do you still feel the same way about the MMR vaccine versus measles?” she asked.

“Yes, absolutely; we would absolutely not take the MMR. The measles wasn’t that bad, and they got over it pretty quickly,” the mother replied, speaking again of her four living children.

“So,” Tommey continued, “when you see the fearmongering in the press, which is what we want to stop, that is why we want to get the truth out, what do you say to the parents who are rushing out, panicking, to get the MMR for their 6-month-old baby because they think that that child is going to die of measles because of what happened to your daughter?”

Mom of child dead from measles: “Don’t do the shots,” my other 4 kids were fine Read More »

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US measles outlook is so bad health experts call for updating vaccine guidance

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With measles declared eliminated from the US in 2000 and national herd immunity strong, health experts have recommended that American children get two doses of the Measles, Mumps, and Rubella (MMR) vaccine—the first between the ages of 12 and 15 months and the second between the ages of 4 and 6 years, before they start school.

Before 12 months, vulnerable infants in the US have been protected in part by maternal antibodies early in infancy as well as the immunity of the people surrounding them. But if they travel to a place where population immunity is unreliable, experts recommend that infants ages 6 to 11 months get an early dose—then follow it up with the standard two doses at the standard times, bringing the total to three doses.

The reason they would need three—and the reason experts typically recommend waiting until 12 months—is because the maternal antibodies infants carry can interfere with the vaccine response, preventing the immune system from mounting long-lasting protection. Still, the early dose provides boosted protection in that 6-to-11-month interval.

In the past, this early, extra dose was recommended for infants traveling internationally—to countries that hadn’t achieved America’s enviable level of herd immunity and were vulnerable to outbreaks. But now, with US vaccination rates slipping, herd immunity becoming spotty, cases rising by the day, and outbreaks simmering in multiple states, the US is no longer different from far-off places that struggle with the extremely infectious virus.

In an article published today in JAMA, prominent health experts—including former Centers for Disease Control and Prevention Director Rochelle Walensky—call for the US to update its MMR recommendations to include the early, extra dose for infants who are not only traveling abroad, but domestically, to any areas where measles is a concern.

“With some local immunization levels inadequate to avert outbreaks and ongoing disease spread in various regions of the country, a dichotomy between domestic and international travel is not appropriate,” the experts write. “For many travel itineraries, there may even be a higher risk of measles exposure at the US point of departure than at the international destinations.”

Vaccinating at-risk infants early is critical to their own health—as well as the people around them, the experts note. “[I]nfants younger than one year face a heightened risk of severe measles-related complications such as pneumonia, encephalitis, and death. Younger infants are also at increased risk of developing subacute sclerosing panencephalitis (SSPE), a rare measles complication that has a high fatality rate and may surface years after initial infection,” according to the experts.

US measles outlook is so bad health experts call for updating vaccine guidance Read More »

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US measles cases reach 5-year high; 15 states report cases, Texas outbreak grows

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The US has now recorded over 300 measles cases just three months into 2025, exceeding the yearly case counts for all years after 2019. The bulk of this year’s cases are from an outbreak that erupted in an undervaccinated county in West Texas in late January, which has since spread to New Mexico and Oklahoma.

As of the afternoon of March 14, Texas reports 259 cases across 11 counties, 34 hospitalizations, and one death, which occurred in an unvaccinated 6-year-old girl. New Mexico reports 35 cases across two counties, two hospitalizations, and one death. That death occurred in an unvaccinated adult who did not seek medical treatment and tested positive for the virus posthumously. The cause of death is still under investigation. Oklahoma reports two probable cases linked to the outbreak.

In addition to Texas, New Mexico, and Oklahoma, 12 other states have reported at least one confirmed measles case since the start of the year: Alaska, California, Florida, Georgia, Kentucky, Maryland, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, and Washington. According to the Centers for Disease Control and Prevention, this year has seen three measles outbreaks, defined as three or more related cases.

As of March 13, the CDC reported 301 confirmed cases, which do not include 36 new cases reported today in Texas and two in New Mexico.

“Measles is back”

Since 2000, when health officials victoriously declared measles eliminated from the US thanks to concerted vaccination campaigns, only three other years have had higher tallies of measles cases. In 2014, the country saw 667 measles cases. In 2018, there were 381 cases. And in 2019—when the country was on the verge of losing its elimination status—there was a startling 1,274 cases, largely driven by massive outbreaks in New York. Measles is considered eliminated if there is no continuous spread in the country over the course of at least 12 months. (This is not to be confused with “eradication,” which is defined as “permanent reduction to zero of the worldwide incidence” of an infectious disease. Smallpox and rinderpest are the only pathogens humans have eradicated.)

US measles cases reach 5-year high; 15 states report cases, Texas outbreak grows Read More »

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Texas measles outbreak spills into third state as cases reach 258

health, Infectious disease, measles, MMR, New Mexico, Oklahoma, outbreak, robert f kennedy jr, texas, vaccination / /

Texas and New Mexico

Meanwhile, the Texas health department on Tuesday provided an outbreak update, raising the case count to 223, up 25 from the 198 Texas cases reported Friday. Of the Texas cases, 29 have been hospitalized and one has died—a 6-year-old girl from Gaines County, the outbreak’s epicenter. The girl was unvaccinated and had no known underlying health conditions.

The outbreak continues to be primarily in unvaccinated children. Of the 223 cases, 76 are in ages 0 to 4, and 98 are between ages 5 and 17. Of the cases, 80 are unvaccinated, 138 lack vaccination status, and five are known to have received at least one dose of the Measles, Mumps, and Rubella vaccine.

One dose of MMR is estimated to be 93 percent effective against measles, and two doses offer 98 percent protection. It’s not unexpected to see a small number of breakthrough cases in large, localized outbreaks.

Across the border from Gaines County in Texas sits Lea County, where New Mexico officials have now documented 32 cases, with an additional case reported in neighboring Eddy County, bringing the state’s current total to 33. Of those cases, one person has been hospitalized and one person (not hospitalized) died. The death was an adult who did not seek medical care and tested positive for measles only after death. The cause of their death is under investigation.

Of New Mexico’s 33 cases, 27 were unvaccinated and five did not have a vaccination status, and one had received at least one MMR dose. Eighteen of the 33 cases are in adults, 13 are ages 0 to 17, and two cases have no confirmed age.

On Friday, the Centers for Disease Control and Prevention released a travel alert over the measles outbreak. “With spring and summer travel season approaching in the United States, CDC emphasizes the important role that clinicians and public health officials play in preventing the spread of measles,” the agency said in the alert. It advised clinicians to be vigilant in identifying potential measles cases.

The agency stressed the importance of vaccination, putting in bold: “Measles-mumps-rubella (MMR) vaccination remains the most important tool for preventing measles,” while saying that “all US residents should be up to date on their MMR vaccinations.”

US health secretary and long-time anti-vaccine advocate Robert F. Kennedy Jr, meanwhile, has been emphasizing cod liver oil, which does not prevent measles, and falsely blaming the outbreak on poor nutrition.

Texas measles outbreak spills into third state as cases reach 258 Read More »

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Measles outbreak hits 208 cases as federal response goes off the rails

autism, health, Infectious disease, measles, MMR, New Mexico, Science, texas, vaccination / /

Vitamin A is a fat-soluble vitamin that stays in the body. Taking too much over longer periods can cause vomiting, headache, fatigue, joint and bone pain, blurry vision, and skin and hair problems. Further, it can lead to dangerously high pressure inside the skull that pushes on the brain, as well as liver damage, confusion, coma, and other problems, according to the American Academy of Pediatrics.

Nevertheless, in an interview with Fox News this week, Kennedy endorsed an unconventional regimen of a steroid, an antibiotic and cod liver oil, praising two Texas doctors for giving it to patients. One of the doctors Kennedy championed was disciplined by the state medical board in 2003 for “unusual use of risk-filled medications,” according to a report by CNN.

In a yet more worrying sign, Reuters reported Friday afternoon that the CDC is planning to conduct a large study on whether the MMR vaccine is linked to autism. This taxpayer-funded effort would occur despite the fact that decades of research and numerous high-quality studies have already been conducted—and they have consistently disproven or found no connection between the vaccine and autism.

The agency’s move is exactly what Democratic senators feared when Kennedy was confirmed as the country’s top health official. In Senate hearings, Kennedy refused to say that vaccines do not cause autism. Democratic senators quickly warned that his anti-vaccine stance could not only move the country backward in the fight against vaccine-preventable diseases, but also hold back autism research aimed at finding the real cause(s) as well as better treatments.

“When you continue to sow doubt about settled science it makes it impossible for us to move forward,” Senator Maggie Hassan (D-N.H.) said in a Senate hearing. “It’s the relitigating and rehashing … it freezes us in place.”

Measles outbreak hits 208 cases as federal response goes off the rails Read More »

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Texas official warns against “measles parties” as outbreak keeps growing

health, Infectious disease, measles, outbreak, texas, vaccination / /

Cook, along with Lubbock’s director of public health, Katherine Wells, said they see no end in sight for the outbreak, which now spans nine counties in Texas, many of which have low vaccination rates. “This outbreak is going to continue to grow,” Wells said, declining to forecast how high the final case count could go after a reporter raised the possibility of several hundred.

So far, 116 of the 146 cases are under the age of 18, with 46 being between the ages of 0 and 4. Only five of the 146 were vaccinated with at least one dose of the Measles, Mumps, and Rubella (MMR) vaccine.

Messaging

On a more positive note, Wells reported that the outbreak has seemed to sway some vaccine-hesitant parents to get their children vaccinated. Just yesterday in Lubbock, over 50 children came into the city’s clinic for measles vaccines. Eleven of those children had vaccine exemptions, meaning their parents had previously gone through the state process to exempt their child from having to receive routine childhood vaccines to attend school. “Which is a really good sign; that means our message is getting out there,” Wells said.

So far in the outbreak, which erupted in late January, messaging about the disease and the importance of vaccination has exclusively come from state and local authorities. The Centers for Disease Control and Prevention only released a brief statement late Thursday, which was not sent through the agency’s press distribution list. It did, however, note that “vaccination remains the best defense against measles infection.”

During a cabinet meeting Wednesday, US Health Secretary and anti-vaccine advocate Robert F. Kennedy Jr. responded to a question about the outbreak, offering a variety of inaccurate information. Kennedy downplayed the outbreak, falsely claiming that “it’s not unusual.” But, this is an unusual year for measles in the US. As epidemiologist Katelyn Jetelina noted on Bluesky, the number of US measles cases this year has already surpassed the total case counts from eight of the previous 15 years. And it is only February.

Texas official warns against “measles parties” as outbreak keeps growing Read More »

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Texas measles outbreak reaches 90 cases; 9 cases in New Mexico

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Other affected counties in Texas include Dawson (6 cases); Ector (1); Lubbock (1); Lynn (1); Terry (20); and Yoakum (4).

In Texas, the majority of the cases continue to be in children: 26 are in infants and young children ages 0 to 4, and 51 are between ages 5 and 17. All but five cases have been in unvaccinated people. Sixteen people (roughly 18 percent) have been hospitalized.

In New Mexico, there have been no hospitalizations, and five of the nine cases are in adults. The other four cases were between the ages of 5 and 17.

Given low vaccination rate in the area and the contagiousness of measles, health officials expect the outbreak to continue to grow. Measles is one of the most infectious viruses known; 90 percent of people who are unvaccinated and exposed will fall ill. The disease is marked by high fevers and a telltale rash and can cause severe complications in some, including younger children.

In the US, about 20 percent of people with measles are typically hospitalized. Five percent develop pneumonia, and up to 3 in 1,000 die of the infection. In rare cases, measles can cause a fatal disease of the central nervous system later in life called Subacute sclerosing panencephalitis. Measles also wipes out immune responses to other infections (a phenomenon known as immune amnesia), making people vulnerable to various illnesses.

Texas measles outbreak reaches 90 cases; 9 cases in New Mexico Read More »

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Measles outbreak in undervaccinated Texas area doubles—again

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A measles outbreak in an area of Texas with abysmal vaccination rates continues to mushroom, with cases doubling since Tuesday and expanding into additional counties.

A week ago, officials reported nine confirmed cases in Gaines County, at the border of New Mexico, which has one of the lowest vaccination rates among kindergartners in the state at just about 82 percent. On Tuesday, the cases climbed to 24, all in Gaines. In Friday’s update, the state health department reports that the case count has now reached 48 and spread to three nearby counties, which also have vaccination rates below the 95 percent threshold that prevent vaccine-preventable diseases from spreading onward.

Gaines now reports 42 cases. There’s one case reported in Lynn County to the northeast, which has a 91 percent vaccination rate. Terry County, with a vaccination rate of 94 percent, reports three cases, and Yoakum County, with a vaccination rate of 92.5 percent, reports two cases. Terry and Yoakum are both directly north of Gaines.

As before, all cases are in unvaccinated people or people with unknown vaccination status. Of the 48 cases, 42 are in children, including 13 between the ages of 0 and 4. Thirteen people (27 percent) have been hospitalized.

Measles outbreak in undervaccinated Texas area doubles—again Read More »

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Nine unvaccinated people hospitalized as Texas measles outbreak doubles

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In an interview with Ars Technica last week, Zach Holbrooks, the executive director of the South Plains Public Health District (SPPHD), which includes Gaines, said that the area has a large religious community that has expressed vaccine hesitancy.

Additional cases likely

Pockets of the county have yet lower vaccination rates than the county-wide averages suggest. For instance, one independent public school district in Loop, in the northeast corner of Gaines, had a vaccination rate of 46 percent in the 2023–2024 school year.

Measles is one of the most infectious diseases known. The measles virus spreads through the air and can linger in the airspace of a room for up to two hours after an infected person has left. Ninety percent of unvaccinated people who are exposed will fall ill with the disease, which is marked by a very high fever and a telltale rash. Typically, 1 in 5 unvaccinated people with measles in the US end up hospitalized, and 1 in 20 develop pneumonia. Between 1 to 3 in 1,000 die of the infection. In rare cases, it can cause a fatal disease of the central nervous system called Subacute sclerosing panencephalitis later in life. Measles can also wipe out immune responses to other infections (a phenomenon known as immune amnesia), making people vulnerable to other infectious diseases.

“Due to the highly contagious nature of this disease, additional cases are likely to occur in Gaines County and the surrounding communities,” the state health department said.

While Gaines is remarkable for its low vaccination rate, vaccination coverage nationwide has slipped in recent years as vaccine misinformation and hesitancy have taken root. Overall, vaccination rates among US kindergartners have fallen from 95 percent in the 2019–2020 school year into the 92 percent range in the 2023–2024 school year. Vaccine exemptions, meanwhile, have hit an all-time high. Health experts expect to see more vaccine-preventable outbreaks, like the one in Gaines, as the trend continues.

Nine unvaccinated people hospitalized as Texas measles outbreak doubles Read More »

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Measles outbreak erupts in one of Texas’ least vaccinated counties

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Still, the county-wide number obscures pockets of yet lower vaccination rates. That includes the independent public school district in Loop, in the northeast corner of Gaines, which had a vaccination rate of 46 percent in the 2023–2024 school year.

Holbrooks noted that the county has a large religious community with private religious schools. These may have yet lower vaccination rates. Holbrooks said that, so far, the measles cases being seen and traced in the outbreak are linked to those private schools.

Public health response

To try to prevent disease transmission, Holbrooks and other state and local officials are getting the word out about the outbreak and running vaccination clinics. About 30 children were vaccinated in a mobile vaccination drive yesterday, he reported.

“We’re trying to get out the message about how important vaccination is,” he said.

He’s also emphasizing that, while children with measles symptoms—very high fever, cough, runny nose, red/watery eyes, and of course, the tell-tale rash—should see a health care provider, parents need to call the office in advance so a child potentially infected with measles doesn’t end up sitting in a waiting room among other potentially vulnerable children.

“Measles is highly communicable,” he notes. The viral illness is one of the most highly infectious diseases on the planet, and about 90 percent of unvaccinated people who are exposed to it will end up falling ill. The virus spreads through the air and can linger in the airspace of a room for up to two hours after an infected person has left.

In addition to a generally miserable illness, measles can cause complications: 1 in 5 unvaccinated people with measles in the US end up hospitalized. About 1 in 10 develop ear infections and/or diarrhea, and 1 in 20 develop pneumonia. Between 1 to 3 in 1,000 die of the infection. In rare cases, it can cause a fatal disease of the central nervous system called Subacute sclerosing panencephalitis, which typically develops 7 to 10 years after an infection. Measles can also devastate immune responses to other infections (immune amnesia), making people who recover from the illness vulnerable to other infectious diseases.

Health officials have generally raised concerns about outbreaks of measles and other vaccine-preventable diseases as vaccination rates have slipped nationwide and vaccine exemptions have hit record highs. Anxiety over the risks has only heightened as Robert F. Kennedy Jr. is poised to become the country’s top health official. Kennedy is a prominent anti-vaccine advocate who has spent decades spreading misinformation about vaccines.

Measles outbreak erupts in one of Texas’ least vaccinated counties Read More »

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Dead babies, critically ill kids: Pediatricians make moving plea for vaccines

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As federal lawmakers prepare to decide whether anti-vaccine advocate Robert F. Kennedy Jr. should be the next secretary of the Department of Health and Human Services, pediatricians from around the country are making emotional pleas to protect and support lifesaving immunizations.

The American Academy of Pediatrics (AAP) has assembled nearly 200 stories and dozens of testimonials on the horrors of vaccine-preventable deaths and illnesses that pediatricians have encountered over their careers. The testimonials have been shared with two Senate committees that will hold hearings later this week: the Senate Committee on Finance and the Senate Committee on Health, Education, Labor, and Pensions (HELP).

“I remember that baby’s face to this day”

In a statement on Monday, AAP President Susan Kressly noted that the stories come from a wide range of pediatricians—from rural to urban and from small practices to large institutions. Some have recalled stories of patients who became ill with devastating diseases before vaccines were available to prevent them, while others shared more recent experiences as vaccine misinformation spread and vaccination rates slipped.

In one, a pediatrician from Raleigh, North Carolina, spoke of a baby in the 1990s with Streptococcus pneumoniae meningitis, a life-threatening disease. “I remember holding a baby dying of complications of pneumococcal meningitis at that time. I remember that baby’s face to this day—but, thanks to pneumococcal vaccination, have never had to relive that experience since,” the doctor said. The first pneumococcal vaccine for infants was licensed in the US in 2000.

A doctor in Portland, Maine, meanwhile, faced the same disease in a patient who was unvaccinated despite the availability of the vaccine. “As a resident, I cared for a young, unvaccinated child admitted to the pediatric intensive care unit with life-threatening Streptococcus pneumoniae meningitis. This devastating illness, once common, has become rare thanks to the widespread use of pneumococcal conjugate vaccines. However, this child was left vulnerable…and [their parents] now faced the anguish of watching their child fight for their life on a ventilator.”

Kressly emphasizes that “One unifying theme of these stories: vaccines allow children to grow up healthy and thrive. As senators consider nominees for federal healthcare agencies, we hope these testimonies will help paint a picture of just how important vaccinations are to children’s long-term health and wellbeing.”

Dead babies, critically ill kids: Pediatricians make moving plea for vaccines Read More »