Table 1. Community outbreaks of Legionnaires’ disease, New York City, New York, USA, 2006–2015*.
| NYC borough (outbreak no.) |
Outbreak dates |
Outbreak zone ZIP codes |
No. cases |
|
Crude rate† |
Median age, y (range) |
No. deaths, all cases |
No. patients Lp culture+ (zone residents) |
Environmental testing results |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Outbreak total (zone residents) |
Rest of NYC |
Outbreak zone |
Rest of NYC |
||||||||
| Bronx (1) |
Jun–Oct 2006 |
10460, 10461, 10462, 10472, 10473 |
29 (29) |
87 |
|
9.7 |
1.1 |
57 (38–91) |
1 |
0 |
No sampling performed at time of outbreak |
| Manhattan (2) |
Aug–Sep 2008 |
10018, 10019, 10036 |
7 (7) |
36 |
|
9.8 |
0.4 |
64 (46–81) |
0 |
0 |
Supportive housing potable water Lp1, residential building potable water L. anisa, supermarket CT Lp6, L. bozemanii |
| Bronx (3) |
Nov 2014–Jan 2015 |
10475 |
8 (8) |
41 |
|
18.8 |
0.5 |
58 (29–69) |
0 |
1 |
Residential potable water (no Lp1), CT 1 (27/30 culture+ for Lp1 and Lp6), CT 2 (1/10 culture+ for Lp6), supermarket mister (no Lp by PCR) |
| Queens (4) |
Apr–Jun 2015 |
11354, 11355 |
16 (14) |
26 |
|
9.2 |
0.3 |
65 (50–99) |
0 |
0 |
Potable water of 2 housing complexes (6 PCR+, Lp2 culture+), 1 CT PCR+ and culture+ for Lp1 |
| Bronx (5) |
Jul–Aug 2015 |
10451, 10452, 10454, 10455, 10456, 10459, 10474 |
138 (108) |
48 |
|
25.7 |
0.6 |
55 (30–90) |
16 |
26 (23) |
All (55) identified CTs in outbreak zone (14 culture+ for Lp1) |
| Bronx (6) | Sep–Oct 2015 | 10461, 10462, 10469 | 15 (10) | 18 | 5.0 | 0.2 | 56 (31–71) | 1 | 4 | All (50) identified CTs in outbreak zone (8 culture+ for Lp1) | |
*CT, cooling tower; Lp, Legionella pneumophila; NYC, New York City; +, positive. †Cases/100,000 population.