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Our five years' experience with immunization against scarlet fever by the Dick method in the Gary schools indicates its effectiveness in lessening the number of cases and also the deaths.
The health records show that during the five years previous to the beginning of scarlet fever immunization in September, 1924, the following number of cases occurred:
The number of deaths during this period was thirteen.
The records show that since immunization was begun in September, 1924, the following number of cases have occurred:
The number of deaths during this period was six.
At the beginning of the immunization work three doses of scarlet fever toxin were given with a maximum of 3,000 skin test doses. The dosage for the past two years has been 500, 2,000, 8,000, 25,000 and 80,000 skin test doses, respectively. The total number of doses given up to September, 1929, has been 22,145. Most of these
Nesbit OB. SCARLET FEVER AND DIPHTHERIA IMMUNIZATION IN THE PUBLIC SCHOOLS OF GARY. JAMA. 1930;94(19):1490. doi:10.1001/jama.1930.27120450002009a