PEDIATRICS Vol. 1 No. 6 June 1948, pp. 841-843
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PUBLIC HEALTH, NURSING AND MEDICAL SOCIAL WORK

INCIDENCE OF COMMUNICABLE DISEASES IN THE UNITED STATES March 28-April 24, 1948

Editors: LEONA BAUMGARTNER, M.D..

Influenza.—The reported number of cases of influenza dropped from 25,459 during the preceding 4 weeks to 10,095 for the 4 weeks ended April 24. Of the total cases Texas reported 4,393, South Carolina 1,486, and Virginia 1,138—70% of the total cases occurred in those three States. The recent rise of this disease has been confined to States in the Southern and Western sections of the country. In the East South Central, Mountain and Pacific sections the incidence has dropped nearly to the level of the preceding 5-year median, but in the South Atlantic and West South Central sections the numbers of cases are still relatively high. The incidence for the country as a whole was less than 10% of the 1947 figure for the same weeks, but it was about 17% above the 1943-1947 median incidence. The peak of the recent outbreak was reached during the month of January while the peak of the 1947 epidemic was not reached until March, with very little drop in the number of cases during the month of April.

Poliomyelitis.—While the number of cases of poliomyelitis was not large, it represented an increase of more than 10% over the median for the preceding five years, and with the exception of the year 1945, when 128 cases were reported for these same 4 weeks, the current incidence was the highest for the corresponding weeks in the 20 years for which data are available in this form. Each section of the country except the North Atlantic, East South Central, and Pacific sections reported an excess of cases over the normal seasonal median. While an increase of this disease may be expected at this season of the year, in most preceding years the increase has not occurred until sometime during the month of May; the lowest incidence of the season has normally been reached during the four weeks corresponding to the period under consideration.