Proceedings: Viral and epidemiological studies.
D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003922:Diabetes Mellitus, Type 1 / Q000209:etiology*; D004781:Environmental Exposure; D006801:Humans; D012572:School Health Services; D012931:Social Environment; D012959:Socioeconomic Factors; D013315:Stress, Psychological; D014777:Virus Diseases / Q000150:complications*