Volume 27, Number 8—August 2021
Research
Epidemiology and Spatial Emergence of Anaplasmosis, New York, USA, 2010‒2018
Table 3
Prevalence of Anaplasma phagocytophilum in nymphal and adult Ixodes scapularis ticks by state region, New York, USA, 2010–2018
Region | Life stage | No. (%) ticks testing positive for A. phagocytophilum |
||||||||
---|---|---|---|---|---|---|---|---|---|---|
2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | ||
Capital |
Nymphs | 221 (4.1) | 186 (3.8) | 306 (6.5) | 555 (5.0) | 591 (8.8) | 727 (3.2) | 910 (4.5) | 1,223 (3.5) | 1,100 (5.3) |
Adults |
278 (2.9) |
201 (7.0) |
791 (9.9) |
834 (5.9) |
1,689 (5.4) |
1,677 (7.0) |
1,462 (8.5) |
1,690 (8.6) |
1,617 (12.0) |
|
Central |
Nymphs | 135 (2.2) | 126 (3.2) | 55 (0.0) | 140 (2.1) | 142 (4.2) | 586 (1.7) | 547 (2.4) | 596 (0.5) | 217 (1.4) |
Adults |
155 (0.0) |
179 (2.2) |
148 (0.7) |
199 (2.0) |
349 (2.0) |
976 (2.8) |
1,329 (1.5) |
401 (5.7) |
401 (5.5) |
|
Metro |
Nymphs | 350 (2.0) | 350 (4.9) | 316 (2.2) | 450 (3.3) | 447 (3.8) | 523 (5.0) | 570 (7.7) | 547 (7.7) | 801 (4.9) |
Adults |
300 (10.0) |
350 (13.7) |
350 (11.7) |
518 (8.1) |
544 (8.8) |
625 (12.0) |
1,103 (17.6) |
889 (11.2) |
874 (12.7) |
|
Western |
Nymphs | 166 (1.2) | 287 (4.9) | 328 (7.3) | 272 (8.1) | 362 (7.2) | 501 (3.0) | 635 (6.1) | 996 (3.4) | 479 (3.5) |
Adults |
276 (0.7) |
395 (2.3) |
691 (0.4) |
646 (0.5) |
681 (2.3) |
1,243 (2.1) |
1,444 (2.1) |
1,234 (2.95) |
1,122 (3.8) |
|
New York State excluding New York City | Nymphs | 872 (2.4) | 949 (4.4) | 1,005 (5.1) | 1,417 (4.8) | 1,542 (6.5) | 2,337 (3.2) | 2,662 (5.1) | 3,362 (3.6) | 2,597 (4.5) |
Adults | 1,009 (4.0) | 1,125 (6.7) | 1,980 (6.2) | 2,197 (4.5) | 3,263 (5.0) | 4,521 (5.4) | 5,338 (6.9) | 4,211 (7.2) | 4,014 (9.2) |
1Retired.
2Current affiliation: US Department of Agriculture, Buffalo, New York, USA.