Surveillance Population
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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. 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
- Page last reviewed: December 30, 2016
- Page last updated: May 22, 2017
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