The following summary of monthly State reports is published weekly and covers only those States from which reports are received during the current week. Tuberculosis. 9 Typhoid fever.. 3 Whooping cough. 24 NORTH DAKOTA. Chicken pox. 20 Diphtheria. 10 3 5 15 55 22 1 6 1 6 RECIPROCAL NOTIFICATION, DECEMBER, 1922. Cases of communicable diseases referred during December, 1922, to other State health departments by departments of health of certain States. CITY REPORTS FOR WEEK ENDED JANUARY 20, 1923. CEREBROSPINAL MENINGITIS. The column headed "Median for previous years" gives the median number of cases reported during the corresponding weeks of the years 1915 to 1922, inclusive. In instances in which data for the full eight years are incomplete, the median is that for the number of years for which information is available. |