| D007108 |
Immune Tolerance |
The specific failure of a normally responsive individual to make an immune response to a known antigen. It results from previous contact with the antigen by an immunologically immature individual (fetus or neonate) or by an adult exposed to extreme high-dose or low-dose antigen, or by exposure to radiation, antimetabolites, antilymphocytic serum, etc. |
Immunosuppression (Physiology),Immunosuppressions (Physiology),Tolerance, Immune |
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| D008297 |
Male |
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Males |
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| D009894 |
Opportunistic Infections |
An infection caused by an organism which becomes pathogenic under certain conditions, e.g., during immunosuppression. |
Infection, Opportunistic,Infections, Opportunistic,Opportunistic Infection |
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| D011159 |
Population Surveillance |
Ongoing scrutiny of a population (general population, study population, target population, etc.), generally using methods distinguished by their practicability, uniformity, and frequently their rapidity, rather than by complete accuracy. |
Surveillance, Population |
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| D011446 |
Prospective Studies |
Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. |
Prospective Study,Studies, Prospective,Study, Prospective |
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| D012042 |
Registries |
The systems and processes involved in the establishment, support, management, and operation of registers, e.g., disease registers. |
Parish Registers,Population Register,Parish Register,Population Registers,Register, Parish,Register, Population,Registers, Parish,Registers, Population,Registry |
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| D001859 |
Bone Neoplasms |
Tumors or cancer located in bone tissue or specific BONES. |
Bone Cancer,Cancer of Bone,Cancer of the Bone,Neoplasms, Bone,Bone Neoplasm,Neoplasm, Bone |
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| D002648 |
Child |
A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. |
Children |
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| D002675 |
Child, Preschool |
A child between the ages of 2 and 5. |
Children, Preschool,Preschool Child,Preschool Children |
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| D004165 |
Diphtheria |
A localized infection of mucous membranes or skin caused by toxigenic strains of CORYNEBACTERIUM DIPHTHERIAE. It is characterized by the presence of a pseudomembrane at the site of infection. DIPHTHERIA TOXIN, produced by C. diphtheriae, can cause myocarditis, polyneuritis, and other systemic toxic effects. |
Corynebacterium diphtheriae Infection,Corynebacterium diphtheriae Infections,Infection, Corynebacterium diphtheriae |
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