Kennedy Jr. announced on Wednesday that he plans to cut a wealth of U.S. funding to Gavi, an international vaccine alliance that seeks to immunize the world’s poorest communities. During a video message at the Gavi fundraising event in Brussels,

Global vaccine group Gavi has more than $9 billion for its work over the next five years helping to immunize the world's poorest children, including money raised at a Brussels fundraising summit, it said on Wednesday.

The secretary of health and human services said that funding will be curtailed until Gavi, the Vaccine Alliance, takes into account the science of vaccine safety in its campaigns.