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Table 2 Local distribution of A. phagocytophilum and Rickettsia spp. infected ticks collected in Hanover, Germany, in 2015

From: A 10-year surveillance of Rickettsiales (Rickettsia spp. and Anaplasma phagocytophilum) in the city of Hanover, Germany, reveals Rickettsia spp. as emerging pathogens in ticks

  Mecklenheide Große Heide Misburger Wald Annateiche Seelhorster Wald Ricklinger Teiche Bornumer Holz Georgengarten Eilenriede Maschpark
Anaplasma phagocytophilum a
 Adults 0/72 (0) 4/84 (4.8) 1/20 (5.0) 1/40 (2.5) 7/93 (7.5) 0/40 (0) 10/74 (13.5) 3/36 (8.3) 11/91 (12.1) 3/23 (13.0)
 Adult males 0/35 (0) 1/37 (2.7) 1/11 (9.1) 1/21 (4.8) 2/45 (4.4) 0/23 (0) 2/39 (5.1) 0/19 (0) 7/46 (15.2) 0/9 (0)
 Adult females 0/37 (0) 3/47 (6.4) 0/9 (0) 0/19 (0) 5/48 (10.4) 0/17 (0) 8/35 (22.9) 3/17 (17.6) 4/45 (8.9) 3/14 (21.4)
 Nymphs 0/138 (0) 0/126 (0) 18/190 (9.5) 1/170 (0.6) 1/117 (0.6) 6/170 (3.5) 2/136 (1.5) 0/174 (0) 3/119 (2.5) 3/187 (1.6)
 Total 0/210 (0)* 4/210 (1.9) 19/210 (9.1)* 2/210 (1.0)* 8/210 (3.8*) 6/210 (2.9) 12/210 (5.7)* 8/210 (3.8) 14/210 (6.7)* 6/210 (2.9)
Rickettsia spp.a
 Adults 37/72 (51.4) 41/84 (48.8) 15/20 (75.0) 25/40 (62.5) 44/93 (47.3) 22/40 (55.0) 44/74 (59.5) 16/36 (44.4) 52/91 (57.1) 14/23 (60.9)
 Adult males 17/35 (48.6) 16/37 (43.2) 8/11 (72.7) 9/21 (42.9) 18/45 (40.0) 13/23 (56.5) 22/39 (56.4) 7/19 (36.8) 27/46 (58.7) 7/9 (77.8)
 Adult females 20/37 (54.1) 25/47 (53.2) 7/9 (77.8) 16/19 (84.2) 26/48 (54.1) 9/17 (35.3) 22/35 (62.9) 9/17 (52.9) 25/45 (55.6) 7/14 (50.0)
 Nymphs 55/138 (39.9) 51/126 (40.5) 112/190 (58.9) 88/170 (51.8) 45/117 (38.5) 93/170 (54.7) 65/136 (47.8) 82/174 (47.1) 64/119 (53.8) 101/187 (54.0)
 Total 92/210 (43.8)** 92/210 (43.8)** 127/210 (64.3)** 113/210 (53.8) 89/210 (42.4)** 115/210 (54.8) 109/210 (51.9) 98/210 (46.7) 116/210 (55.2) 115/210 (54.8)
  1. aNo. of positive ticks/ Total no. of ticks (%)
  2. *Significantly higher infection rates in “Misburger Wald”, “Bornumer Holz” and “Eilenriede” vs “Mecklenheide”, as well as “Misburger Wald” vs “Annateiche” (P ≤ 0.05)
  3. **Significantly higher infection rates in “Misburger Wald” vs “Mecklenheide”, “Große Heide” and “Seelhorster Wald” (P ≤ 0.05)