Skip to main content

Table 2 Number of schistosomiasis cases actively detected annually in Dhofar: 1982 – 2014

From: Decline in transmission of schistosomiasis mansoni in Oman

Year

Stool Examination

Serology Test

Number screened

Omani positive

Non-Omani positive

Total positive

Number screened

Positive (all Omani)

1982

2,038

16

7

23 (1.12%)

--

--

1983

7,278

4

6

10 (0.13%)

 

--

1984

3,880

4

6

10 (0.25%)

--

--

1985

3,352

16

24

40 (1.19%)

--

--

1986

5,663

10

10

20 (0.35%)

--

--

1987

3,977

3

7

10 (0.25%)

--

--

1988

5,642

2

3

5 (0.08%)

--

--

1989

2,739

2

1

3 (0.1%)

--

--

1990

2,645

3

0

3 (0.11%)

--

--

1991

1,500–2,000

0

0

0

--

--

1992

1,500–2,000

0

0

0

--

--

1993

1,500–2,000

0

0

0

--

--

1994

1,500–2,000

0

0

0

--

--

1994

1,500–2,000

0

0

0

--

--

1996

654

2

0

2 (0.3%)

--

--

1997

444

0

0

0

--

--

1998

200

1

0

1 (0.5%)

--

--

1999

168

1

0

1 (0.59%)

--

--

2000

578

13

0

13 (2.24%)

--

--

2001

800

36

0

36 (4.5%)

511

139 (27.2%)

2002

1,237

81

1

82 (6.62%)

305

72 (23.6%)

2003

796

81

0

81 (10.17%)

2 418

287 (11.86%)

2004

748

14

0

14 (1.87%)

3 745

413 (11.02%)

2005

763

15

0

15 (1.96%)

5 633

551 (9.78%)

2006

448

5

3

5 (1.78%)

2 639

42 (1.59%)

2007

165

15

0

15 (9.09%)

3 210

48 (1.49%)

Start of mass treatment with praziquantel

 2008

167

1

0

1 (0.59%)*

9 188

165 (1.79%)

 2009

265

0

0

0

3 024

28 (0.92%)

 2010

246

1

0

1 (0.4%)*

3 265

136 (4.16%)

 2011

109

0

0

0

2 988

63 (2.10%)

 2012

--

--

--

--

2 513

51 (2.02%)

 2013

--

--

--

--

2 788

14 (0.50%)*

 2014

--

--

--

--

3 608

4 (0.11%)*

  1. (*) Statistically-significant reduction from 2007 values