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childhood disease and disorder
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Infographic showing estimated lives saved by childhood vaccinations worldwide from 1974 to 2024, with syringe-shaped bars for each disease. Measles tops the list at 93.71 million lives saved, followed by tetanus, whooping cough, and others, for a total of 153.84 million lives saved. birth: premature
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Infographic showing estimated lives saved by childhood vaccinations worldwide from 1974 to 2024, with syringe-shaped bars for each disease. Measles tops the list at 93.71 million lives saved, followed by tetanus, whooping cough, and others, for a total of 153.84 million lives saved.
Lives saved by childhood vaccinations, 1974–2024 Vaccines and the estimates of lives saved over the period 1974–2024.

childhood disease and disorder

pathology
Written by
S. Roy Meadow
Professor and Head, Department of Paediatrics and Child Health, St. James's Hospital, University of Leeds, England. Coauthor of The Child and His Symptoms.
S. Roy MeadowAll
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Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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History

childhood disease and disorder, any illness, impairment, or condition that primarily affects infants and children, spanning the period from fetal development through adolescence. Childhood is a time of constant transformation—both within the child and in the world around them. The physical and developmental changes are so dramatic that it can seem as though a child becomes a series of different, yet connected, individuals as they move through infancy, childhood, and adolescence. At the same time,...

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