Table 2 Median number (in bold) of ticks per tick-infested host, i.e., respondent (Homo sapiens) and respondents' dogs (Canis lupus familiaris) and domestic cats (Felis catus) recorded during the "tick season" of 2008 for the different Swedish regions

Northern North:

Norrbotten and Lappland

1^b NS (5) 1 (95; 95.0%)

2^a NS (26) 12 (5; 16.1%)

1 ^ab NS (34) 10 (4; 10.5%)

Central North: Medelpad and Ångermanland, Härjedalen, Jämtland, Västerbotten

1.5^a NS (2) 2 (22; 91.0%)

2 ^a NS (11) 20 (1; 8.6%)

2 ^b NS (10) 8 (1; 10.0%)

Southern North: Dalarna, Gästrikland and Hälsingland

2^a NS (43) 15 (35; 81.1%)

10 ^a ** (45) 1000 (0; 0%)

11^b *** (36) 200 (1; 2.7%)

Central: Dalsland, Värmland, Västmanland, Närke, Södermanland and Uppland

5 ^b *** (311) 225 (58; 18.6%)

25 ^a *** (123) 1000 (0; 0%)

27.5^c *** (156) 100 (0; 0%)

West Coast: Halland, Västergötland and Bohuslän

7^b *** (163) 125 (26; 15.9%)

18^a *** (54) 500 (2; 3.5%)

25^bc *** (75) 1000 (1; 1.3%)

South-East, Baltic Islands: Öland and Gotland,

4 ^b *** (20) 52 (5; 20.0%)

12.5^a *** (6) 120 (1; 14.2%)

20^bc *** (10) 500 (0; 0%)

South: Skåne, Blekinge, Småland and Östergötland

5 ^b *** (201) 125 (46; 18.6%)

21.5^a *** (86) 1500 (2; 2.3%)

30^b ***(99) 250 (1; 1.0%)

All provinces (landskap)

5*** (745) 225 (287; 27.8%)

15 (351) 1000 (11; 3.0%)

20 (420) 1000 (8; 1.8%)