Page:Popular Science Monthly Volume 83.djvu/328

324 East Indians through that port. The Rockefeller Commission estimated the rate of infection in India at from 60 to 80 per cent, of the population, and at San Francisco in 1911 65.6 per cent, of the Hindus were found infected. No immigrant should be admitted who is infected with hookworm. He should be treated until cured in an immigrant hospital or excluded at once.

These few diseases are selected merely as types to show the serious nature of the importation of actual diseases by immigrants. The list is far from exhausted by the instances we have discussed.