HIV is the cause of the spectrum of disease known as HIV/AIDS. HIV is a retrovirus that primarily infects components of the human immune system such as CD4 + T cells, macrophages and dendritic cells.cquired immunodeficiency syndrome (AIDS) is defined in terms of either a CD4 + T cell count below 200 cells per ÂµL or the occurrence of specific diseases in association with an HIV infection. In the absence of specific treatment, around half of people infected with HIV develop AIDS within ten years.
he actually had both and then some. Not only did he have a brother he created Disney with named Roy (often referred to as Roy O. to distinguish him from his son, Roy E.) but he also had two other brothers, Herb and Ray, and a sister named Ruth. Walt was the youngest of the boys and a little older than Ruth.e actually had both and then some. Not only did he have a brother he created Disney with named Roy (often referred to as Roy O. to distinguish him from his son, Roy E.) but he also had two other brothers, Herb and Ray, and a sister named Ruth. Walt was the youngest of the boys and a little older than Ruth.
From the business setback that spurred him to develop his most famous cartoon character to the persistent myth surrounding his death, check out seven fascinating facts about this entertainment legend. Walt Disney at the age of 1, in 1902. (Credit: Apic/Getty Images) Born in Chicago on December 5, 1901, Disney, the fourth of five children, moved with his family to a farm in Marceline, Missouri, when he was four.