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Table 2 Blastocystis sp. subtype distribution in different African countries. Subtypes assigned by sequence-tagged site primers or partial sequencing of the SSU-rRNA gene

From: High occurrence of Blastocystis sp. subtypes 1–3 and Giardia intestinalis assemblage B among patients in Zanzibar, Tanzania

Country [reference]

Subtyping method

No. of observations

Subtypea

   

1

2

3

4

5

6

7

8

9

Mixed

Egypt [17]

STSc

44

8

24

8

4

Egypt [18]

Sequencing

21

4

4

13

1d

Egypt [19]

STSc

110

15

49

33

13

10d

Egypt [20]

STSc

36

6

30

Liberia [16]

Sequencing

25

7

7

8

3

5e

Libya [16]

Sequencing

38

19

3

15

1

Libya [21]

Sequencing

48

26

13

9

3d

Nigeria [16]

Sequencing

22

10

9

3

1e

Senegal [9]

Sequencing

93

29

21

51

2

8d

Tanzania [22]

Sequencing

6

1

3

2

Tanzaniab

Sequencing

92

36

28

27

1

Total

 

535

161

79

237

8

41

19

28

  1. aSubtypes denoted according to a consensus denomination [12]
  2. bPresent study
  3. cSTS = sequence-tagged site primers (specific for each subtype 1–7)
  4. dSubtypes involved in mixed infections were resolved and were added to the distribution
  5. eSubtypes involved in mixed infections were not resolved