Really, I see this as a positive. The evidence of In-tube's superiority continues to mount, practically daily, so to find that the TST can confuse the IGRA results means a choice: Use only TST, or only In-tube.
Now those who wish to use the superior test say 'Aye'. Those that wish to stick with the 100 year old test say 'Nay'.
I think the 'ayes' have it.
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