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August 1, 1931


JAMA. 1931;97(5):334-335. doi:10.1001/jama.1931.02730050042023

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Poliomyelitis in the Netherlands  Dr. Josephus Jitta has submitted to the International Bureau of Public Health a communication on poliomyelitis in the Netherlands in 1930. He brings out several interesting points. The incidence during the summer months was the greatest ever recorded for that season. The distribution of the disease over the country was irregular. There appears to be no evidence of a geographic transmission of the disease. The provinces with the highest incidence in 1930 were not the ones most affected the previous year. It was significant also that children under 4 years of age were the ones chiefly affected (71.3 per cent of the cases). The age groups 5 to 9 comprised only 19.2 per cent of the cases. By reason of this observation, it did not become necessary to close the schools even in the regions particularly menaced. As to treatment, there was no great difficulty in

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