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. 2021 Jul 28;9(1):10.1128/spectrum.00096-21. doi: 10.1128/spectrum.00096-21

TABLE 4b.

Results of repeat testing after 30 days of the first test on 1-tube and 4-tube QFT-Plus

Result of 1st collection event No. samples Result of 2nd collection event (%)
Indeterminate Negative Positive
Indeterminate 377 23.3 66.8 9.8
Negative 22,757 0.2 98.5 1.3
Positive 1,688 1.3 24.3 74.4