If you read the Indications For Use (which is the specific clinical claim the FDA issues a clearance on) on the tests in the US they all said something like "when combined with relevant symptoms and an assessment of clinical history by a trained physician"). They were never supposed to be (and the FDA never cleared them to be) the sole discriminator for whether or not a person had WuFlu, but that's ultimately what they were treated as.
If you read the Indications For Use (which is the specific clinical claim the FDA issues a clearance on) on the tests in the US they all said something like "when combined with relevant symptoms and an assessment of clinical history by a trained physician"). They were never supposed to be (and the FDA never cleared them to be) the sole discriminator for whether or not a person had WuFlu, but that's ultimately what they were treated as.