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Controversial US-backed vaccine trial in African newborns halted

The Guardian Health Wednesday 21 October 2026, 17:18 UTC By Melody Schreiber 1 min read

Key Points

Hepatitis B study in Guinea-Bissau that was to be funded by CDC and that drew global backlash ‘will not move forward’The US-backed hepatitis B vaccine trial in African newborns that drew global backlash was halted, the lead researcher said on Wednesday. It is “now clear” that the study “will not move forward in Guinea-Bissau”, Frederik Schaltz-Buchholzer, a Danish researcher, wrote on LinkedIn, adding, “we were not given the necessary governmental approval.”

Hepatitis B study in Guinea-Bissau that was to be funded by CDC and that drew global backlash ‘will not move forward’

The US-backed hepatitis B vaccine trial in African newborns that drew global backlash was halted, the lead researcher said on Wednesday.

It is “now clear” that the study “will not move forward in Guinea-Bissau”, Frederik Schaltz-Buchholzer, a Danish researcher, wrote on LinkedIn, adding, “we were not given the necessary governmental approval.”

US (LOCATION) African (ORG) Guinea-Bissau (LOCATION) CDC (ORG) Frederik Schaltz-Buchholzer (PERSON) Danish (ORG) LinkedIn (PERSON)

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