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.
Quick Facts on Erica. Characteristics of Erica. Etymology & Historical Origin - Erica. Erica is the feminine equivalent of the Scandinavian male name Eric which hails from the Old Norse Eirik. Eirik is derived from the North Germanic element âeiâ (meaning âever, alwaysâ) and ârÃ­krâ (meaning ârulerâ).