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 reported through the National Electronic
Telecommunications System for Surveillance (NETSS).
Table_1 Note:
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Number of reported cases of diseases preventable by routine childhood vaccination -- United
States, November 1994 and 1994-1995 *
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No. cases among
Total cases children aged <5years +
No. cases, January-November January-November
November ---------------- -----------------------
Disease 1995 1994 1995 1994 1995
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Congenital rubella
syndrome 0 5 6 5 5
Diphtheria 0 2 0 1 0
Haemophilus influenzae & 76 1008 1078 280 253
Hepatitis B @ 639 10398 8957 114 66
Measles 5 886 285 215 105
Mumps 61 1293 764 205 143
Pertussis 377 3675 3882 2118 2186
Poliomyelitis,
paralytic ** 0 1 0 0 0
Rubella 12 211 151 24 22
Tetanus 5 38 31 0 2
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* Data for 1994 are final, and 1995 are provisional.
+ For 1994 and 1995, age data were available for >=93% cases.
& Invasive disease; H. influenzae serotype is not routinely reported to the National
Notifiable Diseases Surveillance System. Of 253 cases among children aged <5 years,
serotype was reported for 61 cases, and of those, 37 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 vaccination in infants.
** One case with onset in 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 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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