Police seize doses of hepatitis B vaccine from people at center of dispute over research on African newborns Controversial vaccine researchers who have been praised by Robert F Kennedy Jr, the US Department of Health and Human Services (HHS) secretary, had their offices in Guinea-Bissau raided by judicial police, who seized doses of hepatitis B vaccines, officials said on Facebook.

Also readZelensky says US intelligence sharing 'works now' after talks with Trump envoy in Oslo

The researchers have been at the heart of an ongoing dispute over research on African newborns, supported by $1.6m from the US Centers for Disease Control and Prevention (CDC) and matched by the Pershing Square Foundation and the Bluebell Foundation for a total of $3.2m.