# Why Guinea-Bissau halted a controversial hepatitis vaccine trial for babies

> **Open Intelligence Dossier** · First detected: 2026-11-05 20:00 UTC · Category: Health

## Executive Summary
5 news sources are covering this Health story right now — PULSE is tracking how fast it spreads.

## Intelligence Brief
"Why Guinea-Bissau halted a controversial hepatitis vaccine trial for babies" is generating significant coverage in the Health category, with 5 articles from 5 distinct sources tracked by PULSE so far.


Outlets currently covering the story include Yahoo, Business Insider Africa, Trial Site News and BBC. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.


This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| Yahoo | Why a US-funded vaccine trial on babies was cancelled in Guinea-Bissau | [Source Link](https://news.google.com/rss/articles/CBMijAFBVV95cUxNbXdBV3NDeFZqT2RHM1FFRVE3Q3RoOHBXX0I0RW9UUHRaUFV4YWNyTHYxVG4tdEhyZVEzSzVCWHZZV3pfSy1LLS1mMFRKaVNLc1BLdDJWY2NGcllyb0NhRF82ZVpIVGpwTm9BN3hNdHhmbXVrQ0V0V0lYejZOSVRxT2lWbFMyMUFqMUtSVQ?oc=5) |
| Business Insider Africa | A controversial US-backed $1.6 million vaccine trial involving 14,000 newborns in West Africa has been cancelled | [Source Link](https://news.google.com/rss/articles/CBMi2wFBVV95cUxQS3gxTFRSMTloZ1VlcVd5UTJRVi04WU5lYlhoTTZNTWRuNjVIOUdlakozcVBiaDNIblBKSzhuU2Viei0ySnpHUHJOQkwwSHV3eWFVYzJlcEhMT2M0UFJOcEtDb3ZUckJBNHNYNTZyTEVqUTRxa3VvVFlHU2pEMklUNDk2ckcybnZsRVVSM2dFQ3JZVFVRUmJIYjZHdkltck9MdHUxZTFHUjZ0TUo4MmtJV2F2WldZaGhIVEZYcVRiWnVQV0FuWFFteHF4eXhJaGZfSnVJYVBwYk1teGM?oc=5) |
| Trial Site News | Guinea-Bissau Hepatitis B Trial Collapses—but Danish Researchers Say Critics Got the Facts Wrong | [Source Link](https://news.google.com/rss/articles/CBMi0gFBVV95cUxPTkdwZnRJaEhtOHhGVzZ2UVJ3Z0Y5UWdoTklxSV94ZmFuaHZQejBDQ0JmRTgtOGlqYUhfRHZqSThnbmN6T29hdS1pakhCSThoU0Zlc1NWYUo1RWlyODE1ejlTS3J0YW9NWERaSDA0dG1LcnZzY2RUbFFsQmhtYUYwRWtpUU56amo5YlVWVVpRVkZLMWx3eGxVc2gxbU5QTF92T1Zrb05wRTJzSVRnT1pxV1plMjVENnh6RnVXYnVuZnp1VEhUcmV6dDN0UzV2T1N2bVE?oc=5) |
| BBC | US-funded vaccine trial on babies cancelled in Guinea-Bissau after uproar | [Source Link](https://news.google.com/rss/articles/CBMiW0FVX3lxTFBDaUFfTFFTS2xWTThwR3IyWEdxc3NHQlVDcVhneDYzVF9RbXoxS0YteHAtU3RoY1pwT1RHWERTZjNhWXVVMllTY0N0WHQ1dF81ZVFUakwwbmFMSkE?oc=5) |
| Al Jazeera | Why Guinea-Bissau halted a controversial hepatitis vaccine trial for babies | [Source Link](https://news.google.com/rss/articles/CBMitwFBVV95cUxNS1laRGZHY1N5OGs3Y1NVcDFzcFk1UVh5WlpSbllkaDZXSUE4TkQtY1lrM05PcVVhWjg4UlpWSjVJbGRwd0JHZnhaVkNPenpCX2lfUmFkTFVCY3B4NWdHdDFSTmJyeXhUZmduTzhRR21Ybmx0MllsODUzcjBlZHpZSnU4bGRGWFYtbDh5WDVIbVpqbHhVbW1LZlZpM2JPRDJpZ1FVT3IzTnp4YzVQVjRsb1pWOU4zelXSAbwBQVVfeXFMTnBNNVFHUFBrSGlHSjg1cjBYY09CTnJLa0tNRGpib3ZlTkM5ZEtia3dZbVFQcHJUa3J3dzZnU2k3cjdsR2puOVBXT3hnWHplcHN4OThuRm5JSUtWSE9maGxMckVFb1hrc3kxaXR3OTRoRnB6X2hlV3Z3aTRkdWVKbkZvTGRJMEhxWE5UX0FaSjI5cEdLc2tadkwzN29) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-11-05/why-guinea-bissau-halted-a-controversial-hepatitis-vaccine-trial-for-babies*