Measles Cases are Rising—How Do Mortality and Vaccination Rates Compare?
Measles is a highly contagious virus that was declared eradicated in the U.S. in 2000, decades after the development of the measles vaccine. Since then, there have been occasional annual spikes in case numbers. However, vaccination rates have recently fallen below the 95 percent threshold needed to maintain herd immunity.“The concerning thing is measles is one of the most contagious viruses we have, so it’s very difficult to contain,” Johns Hopkins School of Medicine faculty member Dr.
- ▪Measles is a highly contagious virus that was declared eradicated in the U.S. in 2000, decades after the development of the measles vaccine.
- ▪Since then, there have been occasional annual spikes in case numbers.
- ▪However, vaccination rates have recently fallen below the 95 percent threshold needed to maintain herd immunity.“The concerning thing is measles is one of the most contagious viruses we have, so it’s very difficult to contain,” Johns Hopkin
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| Original publisher | Newsweek |
| Canonical URL | https://www.newsweek.com/measles-cases-rising-mortality-vaccination-rates-comparison-12484338 |
| Publication time | Thu, 24 Sep 2026 16:43:38 -0400 |
| Retrieval time | 2026-09-25T16:51:19.030Z |
| Last seen | 2026-09-25T16:51:19.030Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | L3eh9lpdLwhL · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
By Anna SkinnerAssociate News Editor0ShareNewsweek is a Trust Project memberSee more of our trusted coverage when you search.Prefer Newsweek on Googleto see more of our trusted coverage when you search.With measles cases at a 30-year high in the United States, attention has turned to what is often described as "one of the most contagious viruses" and how mortality and vaccination rates compare to the rising caseload. Measles is a highly contagious virus that was declared eradicated in the U.S. in 2000, decades after the development of the measles vaccine. Since then, there have been occasional annual spikes in case numbers.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Newsweek.
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