To track progress toward achieving the goals of the Childhood
Immunization Initiative (CII), CDC publishes monthly a tabular
summary of the number of cases of all diseases preventable by
routine childhood vaccination reported during the previous month
and year-to-date (provisional data) (TABLE_1). 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 or equal to 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, May 1994 and 1993-1994 *
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No. cases among
Total cases children aged <5 years +
No. cases, -------------- ------------------------
Disease May 1994 1993 1994 1993 1994
--------------------------------------------------------------------------------------
Congenital rubella
syndrome (CRS) 0 6 3 3 3
Diphtheria 0 0 0 0 0
Haemophilus influenzae & 149 581 521 195 141
Hepatitis B @ 831 4941 4567 51 59
Measles 249 123 562 57 106
Mumps 135 763 581 130 68
Pertussis 227 1259 1238 681 696
Poliomyelitis, paralytic ** -- -- -- -- --
Rubella 14 92 150 15 11
Tetanus 2 13 13 0 1
--------------------------------------------------------------------------------------
* Data for 1993 and 1994 are provisional.
+ For 1993 and 1994, age data were available for 84% or more cases, except for 1993 age
data for CRS, which were available for 50% of cases.
& Invasive disease; H. influenzae serotype is not routinely reported to the National Notifiable
Diseases Surveillance System.
@ 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.
** No cases of suspected poliomyelitis have been reported in 1994; three cases of suspected
poliomyelitis have been reported in 1993; four of the five suspected cases with onset in
1992 were confirmed; the confirmed cases were vaccine associated.
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