Cases of infantile paralysis increased from 800 to more than 1,200 in New York City last week. Most were confined to Brooklyn. But there was an overflow into Westchester County. New Haven had almost 100 cases. Boston had 20 of its own and 21 brought in from other communities. The U. S. Public Health Service found "a few more cases than usual . . . in Connecticut, Massachusetts, New Jersey, Illinois, Michigan, Wisconsin and Minnesota. But the increase was almost negligible" over the normal for summer months. Except New York, New Haven...
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