Table 1.
Characteristics of patients with acute schistosomiasis fulfilling the inclusion criteria
Patient | Region of exposure | Reason for travel | Incubation time [days](1) | Time to diagnosis [days](2) | Eosinophils absolute[per μl] | PCR | Serology | Microscopy |
---|---|---|---|---|---|---|---|---|
1 |
Rwanda |
Tourist |
57 |
62 |
5.400 |
pos |
pos |
S.m. |
2 |
Rwanda |
Tourist |
33 |
54 |
2.090 |
pos |
(pos) |
S.m. |
3 |
Mozambique |
Occupational |
28 |
42 |
2.860 |
pos |
pos |
Ø |
4 |
Ethiopia |
Occupational |
27 |
43 |
2.650 |
pos |
Ø |
Ø |
5 |
Uganda |
Occupational |
38 |
56 |
1.920 |
pos |
pos |
Ø |
6 |
Uganda |
Occupational |
20 |
32 |
1.600 |
pos |
pos |
n.a. |
7 |
Malawi |
Tourist |
18 |
20 |
1.050 |
pos |
pos |
n.a. |
8 |
Mozambique |
Tourist |
35 |
56 |
33.050 |
pos |
Ø |
n.a. |
9 |
Yemen |
Tourist |
40 |
54 |
1.540 |
pos |
pos |
Ø |
10 |
Malawi |
Tourist |
27 |
35 |
980 |
pos |
Ø |
Ø |
11(3) |
Kenya |
Tourist |
94 |
96 |
3.220 |
Ø |
pos |
Ø |
12 |
Kenya |
Tourist |
184 |
302 |
1.100 |
pos |
pos |
Ø |
13 |
Sudan |
Occupational |
27 |
33 |
3.350 |
pos |
Ø |
Ø |
14 |
Tanzania |
Volunteer |
75 |
88 |
5.880 |
pos |
pos |
n.a. |
15 |
East Africa |
Volunteer |
127 |
131 |
1.760 |
pos |
pos |
Ø |
16(4) |
Kenya |
VFR |
150 |
210 |
n.a. |
pos |
n.a. |
S.m. |
17 |
Uganda |
Tourist |
24 |
27 |
n.a. |
pos |
pos |
n.a. |
18 |
Malawi |
Tourist |
31 |
73 |
3.920 |
pos |
Ø |
n.a. |
19 |
East Africa |
Volunteer |
32 |
104 |
4.010 |
pos |
pos |
Ø |
20 |
Malawi |
Tourist |
31 |
34 |
1.780 |
Ø |
Ø |
Ø |
21 |
Mali |
Occupational |
23 |
32 |
1.140 |
pos |
Ø |
Ø |
22 |
Tanzania |
Volunteer |
62 |
66 |
2.800 |
pos |
Ø |
Ø |
23 |
Madagascar |
Tourist |
35 |
38 |
2.640 |
pos |
pos |
n.a. |
24 |
Madagascar |
Occupational |
92 |
261 |
890 |
pos |
pos |
n.a. |
25 |
Madagascar |
Occupational |
122 |
152 |
870 |
pos |
pos |
Ø |
26 |
East Africa |
Tourist |
24 |
36 |
3.150 |
pos |
pos |
Ø |
27 |
Tanzania |
Volunteer |
47 |
76 |
1.700 |
pos |
pos |
S.m. |
28 |
Tanzania |
Volunteer |
47 |
80 |
9.850 |
pos |
pos |
Ø |
29 |
Tanzania |
Volunteer |
62 |
94 |
2.310 |
pos |
pos |
Ø |
30 |
Tanzania |
Volunteer |
97 |
196 |
2.290 |
Ø |
pos |
Ø |
31 |
Madagsacar |
Occupational |
n.a. |
160 |
1.100 |
pos |
pos |
Ø |
32 |
Madagascar |
Tourist |
17 |
43 |
1.020 |
pos |
pos |
S.m. |
33(5) |
Ghana |
VRF |
31 |
69 |
1.200 |
pos |
pos |
n.a. |
34 |
Madagascar |
Tourist |
23 |
34 |
1.210 |
pos |
pos |
n.a. |
35 |
Uganda |
Tourist |
41 |
53 |
2.900 |
pos |
Ø |
n.a. |
36 |
Madagascar |
Tourist |
25 |
42 |
23.300 |
pos |
pos |
S.m. |
37 |
Ghana |
Tourist |
40 |
46 |
1.660 |
pos |
pos |
n.a. |
38 | Tanzania | Tourist | 27 | 119 | 2.340 | pos | pos | n.a. |
(1): Time from exposure to beginning of clinical symptoms.
(2): Time from exposure to diagnostics.
(3): Less than 2 ml of Serum was available for DNA extraction.
(4): Patient evaluated for liver transplantation due to known Hepatitis B Virus infection and eosinophilia after visiting her family.
(5): Patient with meningitis and eosinophils in cerebrospinal fluid, Schistosoma DNA detected by PCR in cerebrospinal fluid.
VFR Visiting relatives and friends.
n.a. Not available.
pos Positive.
Ø Negative.
(pos) Only one of two different serological tests for schistosomiasis shows a positive result.
S.m. eggs of S.mansoni.