Measles cases are rising. Other vaccine-preventable infections could be next.
MIT Technology Review
by Jessica HamzelouFebruary 20, 2026
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The rise in measles cases across various regions highlights a concerning trend in vaccine-preventable diseases. Enfield, London has seen 34 confirmed cases since January, disproportionately affecting children under 11, with one-fifth requiring hospitalization. Similarly, South Carolina reported 962 cases last year, and outbreaks are occurring in multiple U.S. states. These numbers underscore a significant issue: vaccine hesitancy is leading to preventable illnesses. measles, known for its high contagiousness, has seen a resurgence despite the availability of an effective vaccine since 1963.
The decline in vaccination rates is critical. Experts warn that maintaining at least 95% coverage is necessary to prevent outbreaks. In South Carolina, this rate dropped from 94% to 91% over five years, with some schools as low as
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Originally published on MIT Technology Review on 2/20/2026