Abstract
ACCORDING to a recent official report, only 99 cases of poliomyelitis were observed in Chile during the period 1937–41. 84 of the cases occurred in children less than two years of age, and only one in the age group 5–10 years. No case was observed in persons above ten years of age. Of the 99 cases, 98 showed motor weakness of the lower extremities, and in 11 the paralysis involved the upper extremities also; in one third of the cases the paralysis was bilateral.
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Poliomyelitis in Chile. Nature 153, 459 (1944). https://doi.org/10.1038/153459c0
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DOI: https://doi.org/10.1038/153459c0