Ie immune system plays a central role in .protecting vertebrate organisms against disease. Indeed, immunology, the study of the immune sustem, has played a fundamental role in many striking advances of modern medicine. This discipline relates to a variety of disease states including infections, allergies, autoimmune conditions, organ transplantation, and cancer. Here I would like to discuss two...

abstract one of the best reliable markers of hepatitis b virus infection is antibodies to the core antigen (anti-hbc). a first-time blood donor with hbsag positivity was identified as an hbv carrier that was anti-hbc negative. the patient was followed for 24 months in order to investigate the evolution of his hbv serological profiles and hbvdna (pcr). in the follow-up for 24 months, hbsag, hbea...

The purpose of this article is to review the state of the art of immunization against malaria using the organism’s sporozoite stage, and to summarize some recent progress in this area, mainly by defining the specificity of the immune response to sporozoites of human and simian malaria. It also reports preliminary results obtained by immunizing Rhesus monkeys with irradiated sporozoites of Plasm...

Depuis le iie siècle avant J.-C., les cités et peuples grecs sont confrontés à un imperium Romanum étendant sa domination vers l’est. Subissant réquisitions exactions des troupes romaines, ils négocient privilèges immunités pour préserver leur autonomie. Entre 49 48 Grecs se retrouvent au cœur de la guerre civile qui déchire R&#2...

Among the bacterial vaccines used for prophylactic measures, Cholera vaccme does not give a complete protection or a satisfactory mass vaccinations result compared with other biologics used for the prevention of other human infectious diseases. This relative failure is partly due to the fact that cholera used to be, for many centuries, a problem in a limited part of Asia and from this asian foc...