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The most unique period in human life begins with conception and extends through embryonic and fetal development, through birth and the first few weeks of infancy. Not only is anatomic structure created, but the individual develops during that period nearly all of the physiologic, immunologic and biochemical systems that will serve him, with only minor modifications, throughout the rest of life. It is a dynamic time, with emphasis on change, transformation, and maturation.
Considering the complexities of the situation, it is not surprising that infection and immunity of the immature host assume aspects quite different from those seen at a
Infectious Diseases of the Fetus and Newborn.. Ann Intern Med. ;87:139. doi: 10.7326/0003-4819-87-1-139_1
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Published: Ann Intern Med. 1977;87(1):139.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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