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Table 5 Summary of proportion morbid T. infestans in the Comfortis® treatment group (n = 5 bioassays per dog)

From: Systemic insecticide treatment of the canine reservoir of Trypanosoma cruzi induces high levels of lethality in Triatoma infestans, a principal vector of Chagas disease

Days post-canine treatment

Treated dogs

Control dogs

Exposeda

Fully engorged

Partially engorged

Non-exposedb

Non-exposed and exposed

2

0.38 (11/29)

0.36 (4/11)

0.39 (7/18)

0 (0/17)

0 (0/15)

7

0.37 (16/43)

0.32 (9/28)

0.47 (7/15)

0 (0/4)

0 (0/15)

21

0.28 (11/40)

0.29 (5/17)

0.26 (6/23)

0 (0/5)

0 (0/15)

34

0.14 (6/44)

0.07 (1/15)

0.17 (5/29)

0 (0/2)

0 (0/15)

51

0.08 (3/38)

0.12 (3/26)

0.0 (0/12)

0 (0/8)

0 (0/15)

Total

0.24 (47/194)

0.23 (22/97)

0.26 (25/97)

0.0 (0/36)

0.0 (0/75)

  1. aBlood-fed triatomines were classified as exposed
  2. bNon-engorged triatomines classified as non-exposed