Table 1 Detection of antigens of Dirofilaria immitis ^a in canine blood samples from different areas of Brazil

South

Florianópolis, SC

3/146

2.1

Araquari, SC

11/150

7.3

Guaratuba, PR

12/49

24.5

Guaraqueçaba, PR

7/22

31.8

Pontal do Paraná, PR

31/118

26.3

Combined

64/485

13.2

Southeast

Guarujá, SP

4/142

2.8

Bertioga, SP

7/92

7.6

Mangaratiba, RJ

23/141

16.3

Niterói, RJ

92/157

58.6

Cabo Frio, RJ

11/40

27.5

Armação de Búzios, RJ

23/37

62.2

Combined

160/609

26.3

Northeast

Lauro de Freitas, BA

30/148

20.3

Salvador, BA

24/120

20.0

Recife, PE

22/60

36.7

Itamaracá, PE

54/109

49.5

Combined

130/437

29.7

Overall Total

354/1531

23.1