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Table 3 Characteristics, symptoms, and eosinophil counts of subjects with serological evidence for recent infection with schistosoma spp

From: Travel-related schistosomiasis, strongyloidiasis, filariasis, and toxocariasis: the risk of infection and the diagnostic relevance of blood eosinophilia

Serological conversion for

Sex

Age in years

Country of birth

Destination

Travel duration in days

Previous travel to a developing country

Travel-related symptoms

Eosinophil count per mm3 (proportion of leukocytes)

         

Pre-travel

Post-travel

*

1

Schist

M

29

Netherlands

India

42

2 - 5×

Four weeks of watery diarrhoea

40 (1.1%)

60 (1.7%)

↑

2

Schist

M

36

Iran

Vietnam

22

1 x

None

100 (2.2%)

160 (3.1%)

↑

3

Schist

M

35

Belgium

Myanmar, Thailand, Malaysia

29

1 x

Two days of watery diarrhoea with fever

130 (2.5%)

130 (2.7%)

=

4

Schist

F

26

Netherlands

Thailand

21

0×

None

560 (7.9%)

330 (5.1%)

↓

5

Schist

F

22

Netherlands

Dominican Republic

29

0 x

Three days of watery diarrhoea

170 (3.2%)

220 (4.2%)

↑

6

Strong

F

59

Netherlands

China

14

2 - 5×

None

80 (1.4%)

170 (2.8%)

↑

7

Strong

F

48

Surinam

India

24

>10×

Nine days of bloody diarrhoea and fever

130 (1.9%)

100 (1.1%)

↓

8

Strong

F

65

Netherlands

India

14

6 - 10×

Two days of diarrhoea

320 (4.9%)

120 (1.4%)

↓

9

Fil

F

54

Netherlands

India

14

2 - 5×

Three 2-day episodes of watery diarrhoea.

80 (1.5%)

110 (2.3%)

↑

10

Toxo

M

53

Surinam

Angola

59

>10×

Two weeks myalgia, arthritis with skin rash

110 (2.1%)

130 (2.7%)

↑

  1. Schis: Schistosoma spp. Strong: Strongyloides stercoralis Fil: Filaria spp. Toxo: Toxocara canis M: male F: female
  2. *) The change in the absolute eosinophil count per mm3, post-travel versus pre-travel: ↑ indicating an increase, ↓ a decrease, and = no change.