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Event Brief

US Study on Hepatitis B Vaccines in Africa Cancelled

A $1.6m US-funded study on hepatitis B vaccines in Guinea-Bissau has been halted due to ethical concerns.
WHO: Yap Boum
WHAT: Study on hepatitis B vaccines cancelled
WHEN: Jan 14, 2026 at 7:00 PM ET
WHERE: Guinea-Bissau
WHY: Outrage over ethical questions about withholding vaccines
Sources (1): The Guardian World

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