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 <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 diseases preventable by routine childhood vaccination
-- United States, January-March 1996 and 1995-1996 *
=====================================================================================================
No. cases among
Total cases children aged <5 years +
January-March January - March
No. cases, ---------------- -------------------------
Disease January-March 1996 1995 1996 1995 1996
--------------------------------------------------------------------------------------
Congenital rubella
syndrome (CRS) 0 3 0 3 0
Diphtheria 1 0 1 0 0
Haemophilus influenzae & 340 356 340 86 77
Hepatitis B @ 1665 2176 1665 14 11
Measles 45 167 45 64 3
Mumps 145 201 145 38 24
Pertussis 557 669 557 363 268
Poliomyelitis, paralytic ++ 0 0 0 0 0
Rubella 37 16 37 3 3
Tetanus 3 4 3 0 0
--------------------------------------------------------------------------------------
* Data for 1995 and 1996 are provisional.
+ For 1995 and 1996, age data were available for >=91% of cases.
& Invasive disease; H. influenzae serotype is not routinely reported to the National Notifiable
Diseases Surveillance System. Of 77 cases among children aged <5 years, serotype was
reported for 20 cases, and of those, 4 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 July 1994 has been confirmed; this case was 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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