A 55-year-old male asked:
can swab test culture test done to check for strep throat be false -ve?
1 doctor answer
Dr. Clarence Grim answered
56 years experience Endocrinology
Stept swab: There is no test that is 100% positive or negative. Well maybe if you wanted to ask the question "do parachutes help you survive when you jump of a plane?" This has never been formally tested, that I am aware of, by a proper trial so we don't know the number of false + and negatives.
Answered on Apr 6, 2017
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