SUMMARY OF CASES REPORTED MONTHLY BY STATES. The following summary of monthly State reports is published weekly and covers only those States from which reports are received during the current week: Typhoid fever. Whooping cough. 8 CITY REPORTS FOR WEEK ENDED DECEMBER 30, 1922. The column headed “Median for previous years," gives the median number of cases reported during the corresponding weeks of the years 1915 to 1921, inclusive. In instances in which data for the full seven years are incomplete, the median is that for the number of years for which information is available. See p. 117; also Current State summaries, p. 106; and Monthly summaries, by States, p. 110. |