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Table 1 Blood-fed mosquitoes captured and testing results per sampling

From: Blood-feeding ecology of mosquitoes in two zoological gardens in the United Kingdom

Sampling

Blood-feds/total captureda (%)

PCR positives (%)b

Sequencing matches (%)c

Identified hosts (%)d

BG-Mosquitaire

CDC-Gravid

Resting Trap

Aspiration

Total

Birds

Non-human mammals

Humans

Total

Mixed hosts

Chester Zoo 2017

132/3424 (3.9)

81/2593 (3.1)

–

–

213/6017 (3.5)

95 (44.6)

75 (78.9)

31 (38.8)

9 (11.3)

40 (50.0)

80 (100)

5 (6.6)

Chester Zoo 2018

185/1988 (9.3)

60/545 (11)

–

–

245/2533 (9.7)

56 (22.9)

45 (80.4)

24 (52.2)

5 (10.9)

17 (37.0)

46 (100)

1 (2.2)

Chester Zoo 2019

39/1505 (2.6)e

43/971 (4.4)

12/65 (18.5)

13/59 (22)

107/2600 (4.1)

23 (21.5)

20 (86.9)

18 (90.0)

0 (0)

2 (10.0)

20 (100)

0 (0)

Flamingo Land 2017

46/862 (5.3)

29/186 (15.6)

–

–

75/1048 (7.2)

30 (40)

19 (63.3)

1 (5.3)

6 (31.6)

12 (63.2)

19 (100)

0 (0)

Total

402/7779 (5.2)

213/4295 (4.9)

12/65 (18.5)

13/59 (22)

640/12,198 (5.2)

204 (31.9)

159 (77.9)

74 (44.8)

20 (12.1)

71 (43.0)

165 (100)

6 (3.6)

  1. aExcluding males and mosquitoes with damaged abdomens
  2. bOver blood-fed mosquitoes
  3. cOver PCR positives
  4. dMixed blood meals were considered as a choice for both hosts
  5. eThese traps were upgraded with CO2 for this sampling