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ABCs Report: Streptococcus pneumoniae, 2000

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Active Bacterial Core Surveillance (ABCs): Emerging Infections Program Network

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ABCs Areas

California (San Francisco County); Connecticut; Georgia (20 county Atlanta area); Maryland (6 county Baltimore area); Minnesota (7 county Twin Cities area); New York (7 county Rochester area and 8 county Albany area); Oregon (3 county Portland area); Tennessee (11 urban counties)

ABCs Population

The surveillance areas represent 19,821,607 persons. Source: U.S. Bureau of the Census, 2000

ABCs Case Definition

Invasive pneumococcal disease: isolation of Streptococcus pneumoniae from normally sterile site in resident of a surveillance area in 2000.

ABCs Methodology

Project personnel communicated at least monthly with contacts in all microbiology laboratories serving acute care hospitals in their area to identify cases. Standardized case report forms that include information on demographic characteristics, clinical syndrome, and outcome of illness were completed for each identified case. Pneumococcal isolateswere collected, tested for susceptibility at reference laboratories using NCCLS methods, and serotyped at CDC. Regular laboratory audits assess completeness of active surveillance and detect additional cases.

All rates of invasive pneumococcal disease were calculated using U.S. Bureau of the Census population estimates for 2000. For national projections of cases, race- and agespecific rates of disease were applied from the aggregate surveillance area to the age and racial distribution of the 2000 U. S. population. Cases with unknown race were distributed by area based on reported race distribution for known cases within the eight age categories.

Reported ABCs Profiles

RaceNo.(Rate*)
White2,765(18.8)
Black1,398(41.7)
Other113(6.3)

Unknown race (n=395) distributed among knowns.

* Cases per 100,000 population for ABCs areas.

EthnicityNo.(Rate*)
Hispanic181(16.3)
Non-Hispanic1,908------
Unknown2,187------

*Cases per 100,000 population for ABCs areas

Citation

Centers for Disease Control and Prevention. 2001. Active Bacterial Core Surveillance Report, Emerging Infections Program Network, Streptococcus pneumoniae, 2000.

Age (years)Cases
No. (Rate*)
Deaths
No. (Rate*)
<1394 (147.8)9 (3.4)
1433 (161.6)8 (3.0)
2-4242 (30.1)4 (0.5)
5-17137 (3.8)5 (0.1)
18-34291 (6.0)11 (0.2)
35-49831 (17.1)97 (2.0)
50-64678 (23.2)92 (3.1)
≥ 651,270 (58.1)234 (10.7)
Total4,276 (21.6)460 (2.3)

*Cases or deaths per 100,000 population for ABCs areas

SyndromeNo.(%*)
Meningitis231(5.4)
Bacteremia without focus1,297(30.3)
Bacteremic pneumonia2,533(59.2)

*Percent of cases

Antibiotic SusceptibilityS*
%
I
%
R
%
Penicillin72.69.817.6
Cefotaxime82.39.88.0
Erythromycin78.40.221.5
TMP/Sulfa67.96.126.1
Levofloxacin99.70.00.3
Vancomycin100.00.00.0

Based on reference lab testing of 3,691 isolates.

* Susceptible; Intermediate; Resistant based on year 2000 NCCLS definitions

National Projections of Invasive Disease

Cases: 58,400 (20.7/100,000)
Deaths: 6,600 (2.3/100,000)

Healthy People 2010 Update

Objective: Decrease the incidence of invasive pneumococcal infections to 50 per 100,000 persons less than 5 years of age and to 46 per 100,000 persons aged 65 and older.

Age (year)2010 Objective2000 Rate*
< 550/100,00071.8/100,000
≥ 6546/100,00057.6/100,000

*Cases per 100,000 U.S. population < 5 years or ≥ 65 years

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