What changed
6.4 → 6.1. Normal white cells. No infection story, no immune mystery.
Example report
Gergana is a sample person. Two draws, six months apart. This is what the product looks like.
Blood
Blood
White blood cells
6.1×10⁹/L
Good
In range
2 ×10⁹/LIn range12 ×10⁹/L
Across the two draws
Mar · 6.4Sep · 6.1
What to do
Nothing.
Judgment
We will say when a number is slightly out and we do not care yet. That is the product. Worry is someone else’s business model.