africa africans cities-and-countries citizen citizen-of-the-world citizens citizens-of-humanity citizens-of-the-world citizenship collaborate collaborations college-life combat combat-diseases cooperation cooperation-s disease disease-prevention diseases ebola ebola-disease ebola-in-africa ebola-in-central-africa ebola-in-spain ebola-in-usa ebola-in-west-africa ebola-origin ebola-spread ebola-victims ebola-virus educação educate educate-children educate-people educate-the-youth-of-africa educate-women educated educated-people education education-system educational-philosophy educational-quotes help helpers helpful helping-hand helping-mankind helping-others helping-out helping-the-needy helping-the-poor international international-authors international-community international-development international-law international-relations prevent prevent-it preventative-medicine preventing prevention prevention-is-better-than-cure prevention-of-diseases-in-africa prevention-of-ebola supporting supporting-family supporting-others supportive-actions supportive-quotes virus west-africa