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Regional Immunity and Immune Privilege
2007The immune system is confronted with an endless array of potential pathogens and immunogens and it must make a decision regarding the nature of the response that is invoked. Robust immune-mediated inflammation is necessary to purge some life-threatening infections. In other conditions, immune responses must be tempered to reduce the risk of irreparable
Henry J, Kaplan, Jerry Y, Niederkorn
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Immunity and immunization in elderly
Pathologie Biologie, 2003As the average life expectancy increases, retired people want to travel. Five to 8% of travellers in tropical areas are old persons. Immune system suffers of old age as the other organs. The number and the functions of the T-lymphocytes decrease, but the B-lymphocytes are not altered.
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