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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 <5 years, who are the primary focus of CII. Data in the table are reported through the National Electronic Telecommunications System for Surveil-lance (NETSS).

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Number of reported cases of diseases preventable by routine childhood vaccination
-- United States, September 1994 and 1994-1995 *
                                                            No. cases among
                                         Total cases     children aged <5 years +
                          No. cases,  January-September    January-September
                          September   -----------------  ------------------------
Disease                     1995        1994     1995        1994     1995
Congenital rubella
 syndrome (CRS)               0           3        4           3        4
Diphtheria                    0           2        0           1        0
Haemophilus influenzae &     82         850      885         238      209
Hepatitis B @               824        8571     7165          97       55
Measles                       9         860      267         203       95
Mumps                        55        1097      615         172      120
Pertussis                   675        2924     2936        1699     1708
 paralytic **                 0           1        0           0        0
Rubella                       4         208      128          24       17
Tetanus                       4          28       23           0        2
 * Data for 1994 and 1995 are provisional.
 + For 1994 and 1995, age data were available for >=93% cases.
 & Invasive disease; H. influenzae serotype is not routinely reported to the National Notifiable
   Diseases Surveillance System. Of 209 cases among children aged <5 years, serotype was
   reported for 54 cases, and of those, 32 were type b, the only serotype of H. influenzae
   preventable by vaccination.
 @ 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 July 1994 has been confirmed; this case was vaccine-associated.
   An additional six suspected cases are under investigation. In 1993, three of 10 suspected
   cases were confirmed; two of the confirmed cases were vaccine-associated, and one was
   imported. The imported case occurred in a 2-year-old Nigerian child brought to the United
   States for care of his paralytic illness; no poliovirus was isolated from the child.

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