World may be ‘post-herd immunity’ to measles, top US scientist says | US news | The Guardian
Let’s have a real talk for a moment: measles — yes, that highly contagious disease many thought was long gone — is making a troubling comeback. A top U.S. immunologist recently sounded the alarm, suggesting we might be entering a “post-herd-immunity world.” If that phrase made you raise an eyebrow, you’re not alone.
So, what does that mean for you, your family, and your community? Let’s break it down in plain English.
What’s Going On With Measles Right Now?
As of early 2025, the United States is facing its worst measles outbreak in 25 years. It’s hitting hard in west Texas and has already spread to New Mexico and Oklahoma. Sadly, three lives have been lost — including two unvaccinated children.
And it’s not just the U.S. — Mexico and Canada are seeing rising case numbers too. The common thread? Low vaccination rates in specific communities.
Quick Fact (Featured Snippet Ready): Measles is considered the most contagious human disease — one person can infect up to 18 others if they’re unvaccinated.
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