Immunity
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
Collections:
Religious Studies, Education, Psychology, History, Literature, Philosophy, Entire Library
...reaction can also occur between a mother and baby (see Rh factor ). Allergy , anaphylaxis , and serum sickness are all...immune system, is caused by a retrovirus called the human immunodeficiency virus (HIV), which was identified in 1981. It infects...leaving the person subject to a vast number of progressive complications and death. Bibliography See I. Cohen et al., ed...