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. Table_1 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 *
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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
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* 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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