To track progress toward achieving the goals of the Childhood
Immunization Initiative (CII), CDC publishes quarterly a tabular
summary
Table_1 of the number of cases of nationally notifiable
diseases
preventable by routine childhood vaccination reported during the
previous
quarter and the year to date (provisional data). In addition, the
table
compares provisional data with provisional 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
reported
through the National Electronic Telecommunications System for
Surveillance.
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 nationally notifiable diseases preventable by routine
childhood vaccination -- United States, April-June 1998 and January-June 1997 and
1998*
=====================================================================================================
No. cases among
Total cases children aged <5 years +
No. cases, January-June January-June
April-June ------------- ------------------------
Disease 1998 1997 1998 1997 1998
-------------------------------------------------------------------------------------------
Congenital rubella
syndrome 2 3 3 3 3
Diphtheria 1 4 1 1 0
Haemophilus influenzae & 275 588 544 113 132
Hepatitis B @ 2122 4430 3809 39 37
Measles 28 77 37 28 17
Mumps 129 339 236 64 41
Pertussis 1130 2537 2075 1021 818
Poliomyelitis, paralytic ** 0 2 1 1 1
Rubella 147 64 251 7 13
Tetanus 10 22 12 0 1
-------------------------------------------------------------------------------------------
* Data for 1997 and 1998 are provisional.
+ For 1997 and 1998, age data were available for >=96% of cases.
& Invasive disease; H. influenzae serotype is not routinely reported to the National Notifiable
Diseases Surveillance System. Of 132 cases among children aged <5 years, serotype was
reported for 74 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 1998 and three cases with onset in 1997 have been confirmed. All
were associated with administration of oral poliovirus vaccine. One suspected case with
onset in 1997 remains under investigation.
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