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.
The name Erica is of Scandinavian origin. The meaning of Erica is eternal ruler. It is also of English origin, where its meaning is brave ruler. Erica is generally used as a girl's name. It consists of 5 letters and 3 syllables and is pronounced E-ri-ca.