
Technological advances, together with a better understanding of the molecular biology of infectious microorganisms, are creating exciting possibilities for a new generation of replicating vaccines. Historically, live vaccines have been either directly derived from a natural source...

SECTION 1: Today's Live Attenuated Vaccines.- Live Vaccines and their Role in Modern Vaccinology.- Live Attenuated Vaccines: Influenza, Rotavirus and Varicella Zoster.- Classical Live Viral Vaccines.- SECTION 2: Genetically Attenuated Micro-Organisms as Vaccines.- Recombinant...