The signature effect of HIV infection, and the cause of AIDS, is disruption of the T-lymphocyte branch of the immune system and in particular the destruction of CD4+ T-helper cells.
Eric, Erik. The given name Erika, or Erica, is a feminine form of Eric, deriving from the Old Norse name EirÃ­kr (or ErÃ­kr in Eastern Scandinavia due to monophthongization). The first element, ei- is derived either from the older Proto-NorseZ*aina(z) meaning one or some, or from Proto-Norse *aiwa(z) meaning fair or tradition.
Comments and insights on the name Erica: | Edit. Erica is also the Latin and Italian word for Heather as in the Heather flower. The winter Heather as its called is actually an Erica.The reason I am adding this is because my name is Heather and my sisters name is Erica.eanings and history of the name Erica : | Edit. From the German, meaning honorable ruler. Also from the Scandinavian, meaning ever-powerful, and from the Teutonic, meaning powerful, regal, flower.