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Terms used in Equation 4 to estimate the number of fleas testing positive for human DNA that had actually consumed human blood
| Variable | Definition | Value* |
|---|---|---|
| h | No. fleas testing positive for human DNA | 70 |
| b | No. fleas containing detectable DNA from non-human vertebrates | 78 |
| t | Total number of fleas tested | 691 |
Values do not include three samples containing mixed DNA.
