Skip to main content

Table 1 The Mf rate and disease rate reported in various studies in the Cook Islands

From: Elimination of lymphatic filariasis as a public health problem from the Cook Islands

Place

Year

Number of people examined for Mf

Mf rate/Ag rate (%)

Number of people examined for chronic disease

Elephantiasis rate (%)#*

Author

Southern group of islands

 Rarotonga

1925

197

2.0

197

40.1

Mckenzie 1925#

 Aitutaki

1925

71

5.6

71

50.7

Mckenzie 1925#

 Atiu

1926

 

900

2.4

Lambert 1926#

 Mauke

1926

46.2

560

4.1

Lambert 1926#

 Mitiaro

1926

54.8

180

0

Lambert 1926#

 Rarotonga

1926

35.5

Lambert 1926#

 Mangaia

1926

26.0

Lambert 1926#

 Aitutaki

1926

49.1

Lambert 1926#

 Aitutaki

1949

240

42.5

Davies 1949#

 Rarotonga

1957

554

23.3

554

4.3

Iyengar 1957#

 Aitutaki

1957

1297

20.9

1297

3.7

Iyengar 1957#

 Rarotonga

1959

1890

22.3

358

2.9

McCarthy 1959#

 Aitutaki

1959

609

29.2

528

4.2

McCarthy 1959#

 Aitutaki*

1969*

2492

0.8

Review of sub-periodic filariasis in South Pacific, 1980

 Aitutaki*

1971*

2600

0.2

Review of sub-periodic filariasis in South Pacific, 1980

 Mauke

1975

376

33.2

459

2.6

Weller et al. 1982

 Mauke

1975

376

49.4 Ag rate

180

13.3% Hydrocele rate

Steel et al. 2001

 Mitiaro Rarotonga

1977

273

18.3

 

 Rarotonga

1991

5868 (outpatients)

0.9

Country data, PacELF, 2000

 Rarotonga

1992

2664 (outpatients)

1.0

Country data, PacELF, 2000

 Aitutaki

1992

1370

3.2

Country data, PacELF, 2000

 Mauke**

1992**

627

4.3

McCarthy et al. (1995)

 Mauke**

1992**

627

5.4% Ag rate

Steel and Ottesen, 2001

Northern group of islands

 Pukapuka

1959

218

29.4

McCarthy 1959#

 Pukapuka

1965

498

28.4

498

3.8

Iyengar 1965#

 Penrhyn

1959

274

5.8

McCarthy 1959#

 Rakahanga

1959

226

8.4

McCarthy 1959#

 Palmerston

1959

69

8.7

McCarthy 1959#

 Manihiki

1959

371

19.7

McCarthy 1959#

  1. *Mass drug administration (MDA) in Aitutaki in 1968
  2. **MDA in Mauke and other out islands in 1986
  3. #Cited in Sasa [1]
  4. #*Irrespective of the degree of swelling, all cases of lymphedema were classified as elephantiasis, whereas only advanced stages are referred to as elephantiasis in the current literature