From: Seroprevalence of and risk factors for Q fever in dairy and slaughterhouse cattle of Jimma town, South Western Ethiopia
Result
Status
S/P % ≤ 40%
Negative
40% < S/P % ≤ 50%
Doubtful
50% < S/P % ≤ 80%
Positive
S/P % > 80%
Strong positive