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Surveillance Population

U.S. map highlights 10 areas participating in ABCs surveillance: entire states of Connecticut, Georgia, Maryland, Minnesota, New Mexico and Oregon as well as specific areas within California, Colorado, New York and Tennessee.

Surveillance Areas/Isolate Collection

The total population of Active Bacterial Core surveillance (ABCs) for invasive disease is approximately 43.5 million. However, most states restrict the population further for certain pathogens to ensure complete reporting. The table below illustrates the population under surveillance and isolate collection for each pathogen and state as of January 2017. Unless otherwise noted, surveillance is statewide. Isolates are collected for all cases included in surveillance areas, except where indicated (*) as different in the table below.

Print-friendly version – Surveillance Population Matrix [2 pages]

Surveillance Population Matrix, 1997–2017 [85 pages]

ABCs Isolates Sent by Surveillance Areas, 1997–2017 [5 pages]

 

 

State Neisseria meningitidis Haemophilus influenzae group B streptococcus group A streptococcus Streptococcus pneumoniae
CA 3,629,776

(3 county Bay area)

3,629,776

(3 county Bay area)

3,629,776

(3 county Bay area)

3,629,776

(3 county Bay area)

3,629,776

(3 county Bay area)

CO 2,692,889

(5 county Denver area)

2,692,889

(5 county Denver area)

2,692,889

(5 county Denver area)

2,692,889

(5 county Denver area)

2,692,889

(5 county Denver area)

CT 3,590,886 3,590,886 3,590,886

*Isolates not collected

3,590,886 3,590,886
GA 10,214,860 10,214,860 5,534,484

(all ages, 20 county Atlanta area) and 58,637 (<1 years outside 20 county metro, *Isolates not collected)

Total: 5,593,121

5,534,484

(20 county Atlanta area)

5,534,484

(20 county Atlanta area)

MD 6,006,401 6,006,401 6,006,401 2,748,503

(6 county Baltimore area)

2,748,503

(6 county Baltimore area)

MN 5,489,594 5,489,594 5,489,594 5,489,594 5,489,594
NM 2,085,109 2,085,109 2,085,109 2,085,109 2,085,109
NY 2,181,497

(7 county Rochester area and 8 county Albany area)

2,181,497

(7 county Rochester area and 8 county Albany area)

2,181,497

(7 county Rochester area and 8 county Albany area)

*Isolates only collected for cases <90 days old

2,181,497

(7 county Rochester area and 8 county Albany area)

2,181,497

(7 county Rochester area and 8 county Albany area) and 50,042 (<5 years in Erie county)

Total: 2,231,539

OR 4,028,977 4,028,977 1,766,135

(3 county Portland area)

1,766,135

(3 county Portland area)

1,766,135

(3 county Portland area)

TN 3,993,008

(20 urban counties)

3,993,008

(20 urban counties)

3,993,008

(20 urban counties)

*Isolates not collected

3,993,008

(20 urban counties)

3,993,008

(20 urban counties)

Total 43,912,997 43,912,997 37,028,416 33,711,881 33,761,932

Populations were retrieved from the National Center for Health Statistics bridged-race vintage 2015 postcensal file

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