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. 2016 Mar 4;2:25–30. doi: 10.1016/j.onehlt.2015.11.005

Table 2.

Relationship between time of seroconversion and infection does (T.spiralis) in pig, horse, wild boar, sliver fox, and red fox and human.

Animal species Infection dose
(No. of larvae/animal)
Time of seroconversion
p.i. (week)
Reference
Swine 100 5–7 [15], [28]
500 4–5
1000 4–6
2500 4
8000 3
20,000 3–4
64,000 2.5–3
Horse 1000 3–4 [14], [38]
4000 3–7
5000 2–4.5
10,000 3–4
20,000 2–3
50,000
Wild boar 10,000 3–4 [22]
Sliver fox 500 4–6 [29]
2000 2
Red fox 10,000 3 [26]
Human Unknown 2–3 [19]