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, March 1995 and 1994-1995 *
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No. cases among
Total cases children aged <5 years +
January-March January-March
No. cases, ---------------- -------------------------
Disease March 1995 1994 1995 1994 1995
--------------------------------------------------------------------------------------
Congenital rubella
syndrome (CRS) 0 2 2 2 2
Diphtheria 0 1 0 1 0
Haemophilus influenzae & 108 291 337 89 78
Hepatitis B @ 782 2743 1873 44 11
Measles 111 108 143 25 54
Mumps 80 334 176 38 34
Pertussis 271 923 672 533 332
Poliomyelitis, paralytic ** 0 0 0 0 0
Rubella 6 89 17 7 5
Tetanus 4 8 6 0 0
--------------------------------------------------------------------------------------
* Data for 1994 and 1995 are provisional.
+ For 1994 and 1995, age data were available for >=87% of cases.
& Invasive disease; H. influenzae serotype is not routinely reported to the National Notifiable
Diseases Surveillance System. Of 78 cases among children aged <5 years, serotype was reported
for 17 cases, and of those, 10 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 1994 has been confirmed; this case is vaccine-associated. An
additional six suspected cases are under investigation. In 1993, three of 10 suspected cases
were confirmed; two of the confirmed cases of 1993 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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