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. 2009 Jun 10;45(3):196–199. doi: 10.1016/j.jcv.2009.06.001

Table 5.

Comparison of the H1N1 swl matrix assay and the H1N1 swl H1 assay on 52 influenza A (untyped) positive clinical samples.

Number of samples Universal Flu H1N1 swl matrix H1N1 swl H1
46 + + +
6 + + −*
*

All the samples missed by the HPA assay had Ct values >35 in the universal influenza and the H1N1 swl matrix assays.