Table 3
Evaluation of the virulence of T. gondii TgFurSealCHn1 strain in Swiss mice (M ± SE).
No. of tachyzoites | No. infected/No. inoculated (%) | Days of survival/number of mice | No. of brain cysts* |
---|---|---|---|
104 | 5/5(100%) | 21 DPI/1, 26 DPI/1, 31 DPI/1, 44 DPI/1, ≥48 DPI/1 | 174 ± 128 |
103 | 5/5(100%) | 15 DPI/1, ≥48 DPI/4 | 42 ± 27 |
102 | 5/5(100%) | ≥48 DPI/5 | 12 ± 6 |
101 | 5/5(100%) | ≥48 DPI/5 | 50 ± 31 |
100 | 2/5(40%) | ≥48 DPI/5 | 0 |
<1 | 0/5(0) | ≥48 DPI/5 | 0 |
Negative control | 0/5(0) | ≥48 DPI/5 | 0 |
DPI: days post-infection.
The number of mice injected per group is 5.
The dosages 1 × 103, 1 × 102, and 1 × 101 are included for calculation.
The cumulative mortality is 1/(4 + 5+5) = 7%.
*There was no significant difference among the different tachyzoite gradient groups (p > 0.05).
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