Core Viewpoint - The U.S. Secretary of State, Marco Rubio, announced the revocation of visas for two Brazilian health officials and imposed visa restrictions on officials from certain African countries and Grenada, citing their involvement in Cuba's overseas medical personnel deployment programs, which he claims exploit Cuban medical workers through forced labor [1] Group 1: U.S. Actions - The U.S. has taken measures against Brazilian health officials and other foreign officials involved in Cuba's medical programs, labeling these programs as exploitative [1] - The U.S. government accuses Cuba's labor export programs, particularly in healthcare, of involving forced labor and human trafficking [1] Group 2: Responses from Cuba and Brazil - Cuban officials, including Deputy Foreign Minister Carlos Fernández de Cossío, defended the legality and humanitarian nature of their medical programs, emphasizing their life-saving impact on local communities [1] - Brazilian Health Minister Alexandre Padilha criticized the U.S. decision as unfounded, asserting that the medical programs have saved lives and are recognized positively by the Brazilian public [1]