US measles outbreak surpasses 930 cases as infectious disease expert warns world may have lost herd immunity

The relentless measles outbreak that's taken over North America since the start of 2025 may indicate the world is “post herd immunity,” said infectious disease expert Dr. Paul Offit.

May 3, 2025 - 19:47
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US measles outbreak surpasses 930 cases as infectious disease expert warns world may have lost herd immunity
The relentless measles outbreak that's taken over North America since the start of 2025 may indicate the world is “post herd immunity,” said infectious disease expert Dr. Paul Offit.