Table 1 Infectivity of Trypansoma cruzi in mice by oral routes.

From: Imaging the development of chronic Chagas disease after oral transmission

Trypomastigote type Route Dose Inoculated (n) Infected (n) Infectivity (%)
Metacyclic Needle (i.p.)a 1 × 104 13 12 92.3
Metacyclic Oral (g)b 1 × 104 16 4 25.0
Metacyclic Oral (g)b 1 × 105 3 2 66.7
Metacyclic Oral (g)b Eitherd 19 6 31.6
Metacyclic Oral (b)c 1 × 104 6 0 0.0
Metacyclic Oral (b)c 1 × 105 3 3 100
Metacyclic Oral (b)c Either d 9 3 33.3
Blood Needle (i.p.)a 1 × 104 13 13 100
Blood Oral (g)b 1 × 104 10 0 0.0
Blood Oral (b)c 1 × 104 11 4 36.4
Blood Oral (b)c 1 × 105 3 0 0.0
Blood Oral (b)c Eitherd 14 4 28.6
  1. aIntra-peritoneal; bintra-gastric gavage; cbuccal administration; d1 × 104 and 1 × 105 data combined.