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Table 3 Distribution of household seroreactivity to T. cruzi according to the infection status of dogs or cats and T. infestans in Area I of Pampa del Indio, Chaco

From: High levels of human infection with Trypanosoma cruzi associated with the domestic density of infected vectors and hosts in a rural area of northeastern Argentina

Dog or cat infection status Vector infection status No. of houses All people Born before the intervention programme
All ages > 15 years of age < 16 years of age
n %a n %a n %a
Infected Infected 23 100 57.0 48 62.5 47 55.3
Non-infected 23 96 30.2 44 56.8 45 8.9
Subtotal 46 196 43.9 92 59.8 92 32.6
Non-infected Infected 10 44 52.3 24 58.3 20 45.0
Non-infected 34 134 35.1 62 53.2 66 21.2
Subtotal 44 178 39.3 86 54.7 86 26.7
No data Infected 12 53 49.1 22 63.6 25 44.0
Non-infectedb 61 214 30.4 109 50.5 89 11.2
No data 15 50 56.0 26 88.5 20 35.0
Subtotal 88 317 37.5 157 58.6 134 20.9
Total   178 691 39.8 335 57.9 312 26.0
  1. a% seropositive
  2. bIncludes one house with no dogs or cats
  3. Abbreviation: n number of persons examined