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Nationally Notifiable Infectious Diseases and Conditions, United States: Weekly Tables

Figure I. Selected notifiable disease reports, United States, comparison of provisional 4-week totals December 30, 2017, with historical data.

  • * No measles cases were reported for the current 4-week period yielding a ratio for week 52 of zero (0).
  • † Ratio of current 4-week total to mean of 15 4-week totals (from previous, comparable, and subsequent 4-week periods for the past 5 years). The point where the hatched area begins is based on the mean and two standard deviations of these 4-week totals.