Washington, 29 Jul (EFE), (Camera: Cristina Garcia Casado).- F.C. Barcelona and the Melinda and Bill Gates Foundation have signed an agreement to work together in the fight against poliomyelitis. Bill Gates, Barcelona president Sandro Rosell and coach Pep Guardiola presented the initiative at a press conference in the U.S. capital. <br /><br />www.efe.com
