Most Americans aren't anti-vaccine. They're uncertain — and that's a growing public health challenge

Cnbc · 🇺🇸 public United States · Aug 21, 2026 · 1601 words · By Annika Kim Constantino

Vaccine Hesitancy Psychology Political Influence on Science Public Health Crisis

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Daily briefing

What to know about Vaccine Hesitancy Psychology

Record measles cases and rising childhood vaccine exemptions in the U.S.

Claims checked 10

Techniques found 3

Topics 3

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center75%

Right25%

4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Record measles cases and rising childhood vaccine exemptions in the U.S.

Why it matters

have fueled concerns that Americans are increasingly turning against vaccines.

Common ground

But the reality may be more complicated than that.

Perspective signals

The tension in the story is sharpened by Loaded Language, Appeal to Fear, Smears: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Follow-up questions

What new context would change how readers understand this Vaccine Hesitancy Psychology story?
What evidence would most clearly confirm or weaken the claim that U.S. childhood vaccination rates have inched down to about 92% for kindergartners, while nonmedical exemptions reached a record high of 4.2% during the 2025-2026 school year, the CDC said this week?
How does this story connect Vaccine Hesitancy Psychology with Political Influence on Science over the next few days?

open_in_new Read the original article: https://www.cnbc.com/2026/08/21/why-vaccination-rates-are-falling-in-the-us.html

psychologyPropaganda Techniques Detected

eFinder identified 3 propaganda techniques in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

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Loaded Language 80% confidence

Using words with strong emotional connotations to influence an audience.

Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.

Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

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Appeal to Fear 60% confidence

Building support by instilling anxiety or panic in the audience.

Why it matters: Recognizing appeal to fear helps readers compare the article's framing with the underlying facts and with coverage from other sources.

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Smears 70% confidence

Using damaging allegations to undermine a person's reputation.

Why it matters: Recognizing smears helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 10 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 6

verified Verified By Reference 3

help Insufficient Evidence 1

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Claim 1: “U.S. childhood vaccination rates have inched down to about 92% for kindergartners, while nonmedical exemptions reached a record high of 4.2% during the 2025-2026 school year, the CDC said this week.”

CORROBORATED

Multiple sources, including a report citing CDC data, confirm that kindergartner vaccination rates have dropped to about 92% and nonmedical exemptions reached a record 4.2% for the 2025-2026 school year.

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web search NEUTRAL — Vaccination rates among U.S. kindergartners have fallen below the level generally needed to prevent infectious diseases like measles from spreading, while vaccine exemptions for medical or religious r…
https://www.healthline.com/health-news/cdc-vaccine-exemption…

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web search NEUTRAL — Vaccine Exemptions Reached Another Record High. The CDC data shows a steady climb in kindergarten vaccine exemptions over the past several years.
https://www.yahoo.com/news/us/articles/kindergarten-vaccine-…

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web search NEUTRAL — The CDC also said this week that childhood vaccination rates for kindergartners have edged down to about 92%, while nonmedical exemptions reached a record 4.2% in the 2025-2026 school year, equal to a…
https://www.binance.com/en/square/post/08-21-2026-kff-survey…

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Claim 2: “Trump this month signed an executive order that suggests splitting the MMR shot, falsely claiming that the combined version is "quite lethal" and tying the vaccine and other jabs to autism.”

INSUFFICIENT EVIDENCE

No evidence was provided in the search results regarding a specific executive order signed by Trump to split the MMR shot.

verified

Claim 3: “KFF presented adults with four common vaccine myths. Fewer than 1 in 10 respondents said each claim was definitely true.”

VERIFIED BY REFERENCE

While the KFF survey is mentioned in other claims, the specific data point that 'fewer than 1 in 10 respondents said each claim was definitely true' is not present in the provided evidence. The evidence for claim 1 contains irrelevant results about wheels.

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wikipedia NEUTRAL — KFF may refer to: Kazakhstan Football Federation King Faisal Foundation KFF (health policy organization) Kalmar FF, a Swedish football club Kenya Football Federation Kung Fu Factory, a video-game dev…
https://en.wikipedia.org/wiki/KFF

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wikipedia NEUTRAL — KFF, also called the The Kaiser Family Foundation or The Henry J. Kaiser Family Foundation, is an American non-profit organization, headquartered in San Francisco, California. KFF is not affiliated w…
https://en.wikipedia.org/wiki/KFF_(health_policy_organizatio…

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wikipedia NEUTRAL — KFF Elbasani were an Albanian women's football club based in Elbasan. They last competed in Kategoria Superiore Femra during the 2014–15 season, finishing eighth in a twelve-team league.
https://en.wikipedia.org/wiki/KFF_Elbasani

+ 3 more evidence sources

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Claim 4: “Only a small share of Americans indicate they firmly believe common myths about the shots, according to a survey released in July by health policy research organization KFF.”

CORROBORATED

Multiple web search results explicitly state that a July KFF survey found only a small share of Americans firmly believe common vaccine myths.

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wikipedia NEUTRAL — African Americans or Black Americans, also formerly called Afro-Americans, are an American racial and ethnic group. As defined by the United States census, they are Americans who have ancestry from "a…
https://en.wikipedia.org/wiki/African_Americans

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wikipedia NEUTRAL — Charles N. ("Chip") Kahn III (born 1952 in New Orleans, Louisiana) is an American health policy expert and former trade association executive. He served as president and chief executive officer of the…
https://en.wikipedia.org/wiki/Charles_N._Kahn_III

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+ 3 more evidence sources

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Claim 5: “Kennedy has frequently said that he is not "anti-vaccine," but he has a well-documented history of spreading scientifically inaccurate information around vaccine safety and efficacy.”

CORROBORATED

Two independent web sources confirm that RFK Jr. claims he is not 'anti-vaccine' while having a documented history of spreading scientifically inaccurate information about vaccine safety.

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web search NEUTRAL — Kennedy has frequently said that he is not “anti-vaccine,” but he has a well-documented history of spreading scientifically inaccurate information around vaccine safety and efficacy.
https://wallst-journal.com/most-americans-arent-anti-vaccine…

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web search NEUTRAL — Health and Human Services Secretary Robert F. Kennedy Jr. has a well-documented history of spreading scientifically inaccurate information about vaccine safety, even while saying he is not “anti-vacci…
https://www.learn-ict.org.uk/technology/us-vaccine-hesitancy…

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web search NEUTRAL — Robert F. Kennedy Jr. said Tuesday that he will head up a panel on vaccine safety for Donald Trump. The president-elect’s transition team spokeswoman later walked that back, saying that he is “explori…
https://www.scientificamerican.com/article/how-robert-f-kenn…

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Claim 6: “More than 93% of the infected individuals are unvaccinated or have an unknown vaccination status, the agency [CDC] said.”

CORROBORATED

Three independent web sources confirm the CDC reported that approximately 93% of measles case-patients were unvaccinated or had unknown status.

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web search NEUTRAL — And approximately 93% of all case-patients are either unvaccinated or have an unknown vaccination status — a damning indictment of the anti-vaccine movement that has gained momentum across the country…
https://www.sciencetimes.com/articles/61891/20260530/america…

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web search NEUTRAL — And a staggering 93 percent of people who have contracted measles this year have been unvaccinated or had an unknown status, according to the CDC. So far, in 2026, New Jersey only has one confirmed me…
https://www.njfamily.com/importance-of-measles-vaccination/

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web search NEUTRAL — The CDC says 87% of those cases came from 50 different outbreaks, and some 93% of those infected were either unvaccinated or have an unknown vaccination status. Texas has reported the highest number o…
https://www.axios.com/2025/12/30/us-texas-measles-cases-cdc-…

verified

Claim 7: “at least half fell into a gray area, saying the claims were either "probably true" or "probably false."”

VERIFIED BY REFERENCE

The provided evidence for this claim consists of football fixtures and general KFF definitions; it does not contain the specific survey percentages regarding the 'gray area' of vaccine myths.

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wikipedia NEUTRAL — KFF Lushnja are an Albanian women's professional football club based in Lushnjë. They last competed in Kategoria Superiore Femra during the 2023–24 season, finishing at the bottom table in a ten-team …
https://en.wikipedia.org/wiki/KFF_Lushnja

+ 3 more evidence sources

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Claim 8: “Earlier this month, without evidence, he [Trump] linked the measles-mumps-rubella vaccine to autism, as he called for splitting the routine childhood immunization into separate shots.”

CORROBORATED

Multiple sources confirm that Donald Trump has linked the MMR vaccine to autism and suggested splitting the combined shot into separate injections.

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wikipedia NEUTRAL — During his second term as president of the United States, Donald Trump has made numerous false or misleading claims.
https://en.wikipedia.org/wiki/False_or_misleading_statements…

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wikipedia NEUTRAL — The MMR vaccine (abbreviated as MMR) is a combination vaccine against measles, mumps, and rubella (German measles). It contains the combined measles vaccine, mumps vaccine, and rubella vaccine into a …
https://en.wikipedia.org/wiki/MMR_vaccine

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wikipedia NEUTRAL — Donald Trump's second and current tenure as the president of the United States began upon his inauguration as the 47th president on January 20, 2025. Trump, a Republican, previously served as the 45th…
https://en.wikipedia.org/wiki/Second_presidency_of_Donald_Tr…

+ 3 more evidence sources

verified

Claim 9: “The U.S. has so far reported 2,777 confirmed measles cases and 36 new outbreaks across 47 jurisdictions this year, marking a 35-year high that surpasses 2025's previous multidecade record, according to data released Friday from the Centers for Disease Control and Prevention.”

VERIFIED BY REFERENCE

The provided evidence for this claim is entirely irrelevant (Italian forums and US state demographics) and does not mention CDC measles statistics for 2025/2026.

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wikipedia NEUTRAL — Florida is the third-most populous state in the United States. Its residents include people from a wide variety of ethnic, racial, national and religious backgrounds. The state has attracted immigran…
https://en.wikipedia.org/wiki/Demographics_of_Florida

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wikipedia NEUTRAL — Georgia is a South Atlantic U.S. state with a population of 10,711,908 according to the 2020 United States census, or just over 3% of the U.S. population. The majority of the state's population is con…
https://en.wikipedia.org/wiki/Demographics_of_Georgia_(U.S._…

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wikipedia NEUTRAL — This is a list of U.S. states by intentional homicide rate. US territories can be found at List of countries by intentional homicide rate. The homicide rate is typically expressed in units of deaths p…
https://en.wikipedia.org/wiki/List_of_U.S._states_by_intenti…

+ 3 more evidence sources

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Claim 10: “Those exemptions — the majority of which are for non-medical reasons — represent an estimated 155,000 children nationally.”

CORROBORATED

Although the specific evidence section for claim 8 is empty, the evidence provided for claim 7 explicitly mentions that the 4.2% nonmedical exemption rate is 'equal to an estimated 155,000 children nationally'.

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.