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, December 1994 and 1993-1994 *
=====================================================================================================
No. cases among
Total cases children aged <5 years +
January - Dec January - December
No. cases, ---------------- -------------------------
Disease December 1994 1993 1994 1993 1994
--------------------------------------------------------------------------------------
Congenital rubella
syndrome (CRS) 1 5 8 4 7
Diphtheria 0 0 1 0 1
Haemophilus influenzae & 125 1419 1161 435 313
Hepatitis B @ 1090 13361 11534 141 114
Measles 21 312 902 119 226
Mumps 172 1692 1455 284 232
Pertussis 616 6586 3832 3924 2046
Poliomyelitis, paralytic ** 0 3 1 1 1
Rubella 7 192 218 32 27
Tetanus 5 48 38 0 0
--------------------------------------------------------------------------------------
* Data for 1993 are final and for 1994, provisional.
+ For 1993 and 1994, age data were available for >=90% of patients, except for 1993 age
data for CRS, which were available for 80% of patients.
& Invasive disease; H. influenzae serotype is not routinely reported to the National Notifiable
Diseases Surveillance System. Of 313 cases among children aged <5 years, serotype was reported
from 37; of those, 29 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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