Table 3 Co-infections among 3750 dogs from shelters in 19 states in the Eastern United States

Dirofilaria immitis

Borrelia burgdorferi

Ehrlichia spp.

4

NC, VA

0.11

D. immitis

B. burgdorferi

Anaplasma spp.

2

ME

0.05

B. burgdorferi

Anaplasma spp.

Ehrlichia spp.

5

ME, MD, MN, VA

0.13

D. immitis

Ehrlichia spp.

59

FL, GA, LA, MS, MO, NC, OK, TN, VA

1.57

D. immitis

Anaplasma spp.

1

TN

0.03

D. immitis

B. burgdorferi

6

FL, MD, MO, OH

0.16

B. burgdorferi

Ehrlichia spp.

46

FL, MD, MN, NC, OH, VA

1.23

B. burgdorferi

Anaplasma spp.

55

MD, ME, MN, NH, NY, OH, PA, VA, WI

1.47

Anaplasma spp.

Ehrlichia spp.

1

MO

0.03

Total co-infections

179

4.77