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,

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.

Global vaccine group Gavi secured over $9 billion for immunizing the world's poorest children over five years, despite falling short of its $11.9 billion target. Key donors included the UK and the Gates Foundation,