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Monthly Immunization Table

To track progress toward achieving the goals of the Childhood Immunization Initiative (CII), CDC publishes monthly a tabular summary Table_1 of the number of cases of all diseases preventable by routine childhood vaccination reported during the previous month and year-to-date (provisional data). In addition, the table compares provisional data with final data for the previous year and highlights the number of reported cases among children aged less than 5 years, who are the primary focus of CII. Data in the table are derived from CDC's National Notifiable Diseases Surveillance System.
Note: To print large tables and graphs users may have to change their printer settings to landscape and use a small font size.

Number of reported cases of diseases preventable by routine childhood vaccination
-- United States, September 1994 and 1993-1994 *
                                                                 No. cases among
                                             Total cases     children aged <5 years +
                                           January -  Sept     January -  September
                            No. cases,    ----------------   -------------------------
Disease                    September 1994    1993     1994         1993    1994
Congenital rubella
  syndrome (CRS)                  1             5        3            4       2
Diphtheria                        0             0        1            0       1
Haemophilus influenzae &         86           958      874          292     234
Hepatitis B @                  1057          9437     8794           89      91
Measles                          30           269      844          102     194
Mumps                           108          1244     1068          209     170
Pertussis                       339          4366     2553         2598    1457
Poliomyelitis, paralytic **       0             3        1            1       1
Rubella                           6           165      210           25      21
Tetanus                           4            33       26            0       0
 * Data for 1993 are final and for 1994, provisional.
 + For 1993 and 1994, age data were available for 90% or more cases, except for 1993 age
   data for CRS, which were available for 80% of cases.
 & Invasive disease; H. influenzae serotype is not routinely reported to the National Notifiable
   Diseases Surveillance System.
 @ Because most hepatitis B virus infections among infants and children aged <5 years are
   asymptomatic (although likely to become chronic), acute disease surveillance does not
   reflect the incidence of this problem in this age group or the effectiveness of hepatitis B vac-
   cination in infants.
** One case with onset in 1994 has been confirmed; this case is vaccine-associated.  In 1993,
   three of 10 suspected cases were confirmed; two of the confirmed cases of 1993 were
   vaccine associated, and one was classified as imported.

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Morbidity and Mortality Weekly Report
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