Measles, Misinformation, and the Erosion of Public Health
 
Dr. Kevin Kavanagh, MD, MS asserts that rising measles cases in the United States reflect declining vaccination coverage, misinformation, and weakened public health capacity—not primarily illegal immigration. Although international travel can introduce measles, sustained transmission depends on local susceptibility. Herd immunity requires about 95% vaccination coverage, yet U.S. and Kentucky rates are approximately 92% and 91% respectively, with substantial gaps among counties and clustered communities.
    Two MMR doses are about 97% effective, while one dose is about 93% effective in preventing measles infections. Infants are especially vulnerable between six and twelve months, after maternal antibodies decline but before routine vaccination. Measles can cause pneumonia, encephalitis, death, and “immune amnesia,” which weakens protection against other infections.
    The presentation rejects claims linking MMR vaccination to autism, noting that the original study was retracted, and numerous studies have found no association. Nevertheless, polling suggests many Americans still believe the vaccine causes autism or is more dangerous than measles.
    Recent outbreaks and the return of other infectious diseases highlight shortcomings in surveillance, inspections, staffing, reporting, and prevention. The recommended response is clear clinical communication, stronger federal and state reporting, collection of comprehensive local vaccination data, targeted outreach to communities with low vaccination coverage, and renewed investment in public health staffing and outbreak-response capacity. Health Watch USA Meeting. Oct. 21, 2026.

YouTube Video: https://youtu.be/heURFm9W7Fo