The U.S. revoked the visas Wednesday of two former senior health officials in Brazil for their involvement in a program that sent Cuban doctors to remote areas in the South American nation. Mozart Julio Tabosa Sales and Alberto Kleiman were among a list of people whose visas were either revoked or restricted along with their family members for allegedly working to facilitate Cuba's Mais Médicos program,

U.S. Secretary of State Marco Rubio on Wednesday took steps to revoke or restrict visas for some African, Caribbean and Brazilian officials who the U.S. alleges have ties to a Cuban program that sends medical workers oversees.