US Measles Outbreaks Surge Amid Falling Vaccine Trust and Declining MMR Confidence
- Public trust in childhood measles vaccines has fallen across the United States as the country grapples with its worst measles outbreaks in 35 years, according to a Reuters/Ipsos...
- States including Pennsylvania, Utah, and South Carolina are managing active measles outbreaks this year, contributing to more than 3,000 confirmed infections nationwide.
- The Reuters/Ipsos poll revealed that the drop in vaccine confidence is most pronounced among Republicans, reflecting broader partisan divides over immunization policies.
Public trust in childhood measles vaccines has fallen across the United States as the country grapples with its worst measles outbreaks in 35 years, according to a Reuters/Ipsos poll published on September 15. The four-day survey found that 76% of Americans now consider the measles, mumps, and rubella vaccine safe for children, marking a decline from 84% in May 2020.
Measles Outbreaks Strain States Amid Declining Vaccination Rates
States including Pennsylvania, Utah, and South Carolina are managing active measles outbreaks this year, contributing to more than 3,000 confirmed infections nationwide. Pennsylvania health officials have recorded three measles-related deaths in recent weeks. The surge follows years of declining immunization rates, with average U.S. kindergarten vaccination coverage falling to 92.5% last year according to Centers for Disease Control and Prevention data. Public health experts note that a 95% threshold is necessary to maintain herd immunity and protect vulnerable community members who cannot receive the vaccine.
Political Divisions and Federal Policy Changes
The Reuters/Ipsos poll revealed that the drop in vaccine confidence is most pronounced among Republicans, reflecting broader partisan divides over immunization policies. President Donald Trump signed an executive order in August directing a reduction in the number of routine childhood immunizations on the federal schedule from 17 to 11. Kennedy Jr., a former anti-vaccine activist, has pursued policies aimed at reducing the number of recommended childhood shots.
Voter Perceptions and Public Sentiment
Public disapproval of the federal response remains high, with 52% of respondents disapproving of Trump’s handling of the outbreak, compared to just 19% who expressed approval. When registered voters were asked which political party offers a better approach to managing infectious diseases, 45% chose Democrats while 25% selected Republicans. Despite the resurgence of the highly contagious virus, infectious disease concerns remain secondary to economic pressures for most voters, with 31% reporting being very worried about measles outbreaks compared to 58% expressing high concern over the cost of living.

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