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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 of the number of cases of all diseases preventable by routine childhood vaccination reported during the previous month and year-to-date (provisional data)(Table_1). 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, January 1994 and 1993-1994 *
                                                            No. cases among
                       No. cases,      Total cases      children aged <5 years +
                        January       -------------     ------------------------
Disease                  1994         1993     1994          1993     1994
Congenital rubella
  syndrome (CRS)           0            1        0             0        0
Diphtheria                 0            0        0             0        0
  influenzae &            73           95       73            39       26
Hepatitis B @            636          733      636             6       19
Measles                    4           14        4             7        1
Mumps                     65          106       65            21        7
Pertussis                198          222      198           108      117
  paralytic **            --           --       --            --       --
Rubella                    3           11        3             4        0
Tetanus                    1            1        1             0        0
 * Data for 1993 are final and for 1994, provisional.
 + For 1993 and 1994, age data were available for 85% or more cases, except for 1994 age
   data for pertussis, which were available for 76%.
 & 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.
** No cases of suspected poliomyelitis have been reported in 1994; three cases of suspected
   poliomyelitis were reported in 1993. Four of the five suspected cases with onset in 1992
   were confirmed; the confirmed cases were vaccine associated.

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