Abionic, a Swiss company, has received US Food and Drug Administration (FDA) registration for detecting allergies to cats, dogs, trees, and grasses. The firm’s nanotechnology-focused assay can yield results in as little as five minutes, with some tests taking up to 20 minutes, and uses just a single drop of blood.

https://www.medgadget.com/2017/10/abionic-detect-allergies-worlds-fastest-5-minutes.html