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Quarterly Immunization Table
To track progess 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 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 Surveillance (NETSS).
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, July-September 1997 and January- September 1996 and 1997 *
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No. cases among children
No. cases Total cases January-September aged <5 years + January-September
July-September ----------------------------- ---------------------------------
Disease 1997 1996 1997 1996 1997
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Congenital rubella syndrome 1 1 4 1 4
Diphtheria 0 1 5 0 1
Haemophilus influenzae & 207 800 813 192 183
Hepatitis B @ 1996 7222 6379 48 150
Measles 38 465 111 121 46
Mumps 99 534 435 114 95
Pertussis 1221 4202 3813 2013 1717
Poliomyelitis,paralytic ** 0 2 0 1 0
Rubella 53 216 141 15 12
Tetanus 9 24 32 0 0
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* Data for 1996 are final; data for 1997 are provisional.
+ For 1996 and 1997, age data were available for >=97% cases.
& Invasive disease; H. influenzae serotype is not routinely reported to the National Notifiable Diseases
Surveillance System. Of 183 cases among children aged <5 years, serotype was reported for 97 cases,
and of those, 39 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.
** Five suspected cases with onset in 1996 have been confirmed; all were vaccine-associated. Two cases
with onset in 1997 are under investigation.
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