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Table 2 The prevalence of T. evansi, T. vivax and mixed infection in camels with different diagnostic tests

From: Trypanosoma vivax is the second leading cause of camel trypanosomosis in Sudan after Trypanosoma evansi

Area

Giemsa-stained blood smearsa

Wet blood filmb

MHCT

KIN-PCR

T. evansi

RoTat 1.2 VSG-PCRc

KIN-PCR

T. vivax

TviCatL-PCR

Mixed infectiond

East Nile

9% (13/148)

14% (20/148)

22% (33/148)

36% (54/148)

59% (32/54)

25% (37/148)

33% (49/148)

19% (28/148)

West Nile

0% ( 0.0/41)

3% (1/41)

7% (3/41)

39% (16/41)

56%(9/16)

24% (10/41)

24% (10/41)

15% (6/41)

Total

7% (13/189)

11% (21/189)

19% (36/189)

37% (70/189)

59% (41/70)

25% (47/189)

31% (59/189)

18% (34/189)

  1. aGiemsa-stained blood smears: 10 samples showed typical T. evansi morphology, 2 samples showed typical T. vivax morphology and 1 sample showed mixed infection
  2. bWet blood film: 19 samples showed a typical T. evansi movement pattern while 2 samples showed a typical T. vivax movement pattern
  3. cA RoTat 1.2 VSG-PCR was performed on KIN-PCR-positive samples (70 samples)
  4. dMixed infection was defined by KIN-PCR-positivity for T. evansi and TviCatL-PCR-positivity for T. vivax