Figure I. Selected notifiable disease reports, United States, comparison of provisional 4-week totals August 16, 2003, with historical data

Morbidity and Mortality Weekly Report, August 22, 2003

FIGURE I. Selected notifiable disease reports, United States,
comparison of provisional 4-week totals August 16, 2003, with
historical data

Ratio (Log Scale) ([dagger])

                            CASES CURRENT
DISEASE                        4 WEEKS

      Hepatitis A, Acute         275
      Hepatitis B, Acute         317
      Hepatitis C, Acute          64
           Legionellosis         210
          Measles, Total           3
Meningococcal Infections          70
                   Mumps          12
               Pertussis         394
               Rubella *           0

Beyond Historical Limits

* No rubella cases were reported for the current 4-week period yielding
a ratio for week 33 of zero. (0).

([dagger]) 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.