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Event Brief

Vaccine Trial Sparks Controversy in Guinea-Bissau

A $1.6M U.S. study on hepatitis B vaccine for newborns faces claims of suspension.
WHO: U.S. researchers, local officials
WHAT: Hepatitis B vaccine trial
WHEN: Jan 22, 2026 at 12:36 PM ET
WHERE: Guinea-Bissau
WHY: To study vaccine effects on newborns
Sources (1): NPR

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