The Transmission of Passive Immunity from Mother to Young (North Holland, Amsterdam, 1970), Solomon, J.B. Foetal and Neonatal Immunology (North Holland, Amsterdam, 1971) & Hemmings, W.A. (ed ...

The primary response when a microorganism enters the body is described as natural active immunity. Vaccines close vaccineA substance that stimulates the body to produce antibodies to provide ...