White Blood Cell - A special type of cell that works as part of the immune system to defend the body against disease and infection.⏎
World Health Organization (WHO) - The directing and coordinating authority for health within the United Nations system, responsible for providing leadership on global health matters, shaping the health research agenda, setting norms and standards, articulating evidence-based policy options, providing technical support to countries and monitoring and assessing health trends.⏎
Virus - An infectious agent that is only capable of replicating itself inside the living cells of other organisms.⏎
Staph Infection - An infection caused by any one of several harmful species or subspecies of bacteria of the genus Staphylococcus.⏎