1. Cases ⬇️ + tests ⬆️ = virus likely dying off.

2. Cases ⬆️ + tests ⬆️, % pos ⬆️ = virus likely growing.

3. Cases ⬆️ + tests ⬆️, % pos ⬇️ = virus maybe growing, maybe not.

4. Cases ⬇️ + tests ⬇️ = test more to know!

Many states are 3 now. % pos is no silver bullet.

— Peter Walker (@PeterJ_Walker) May 27, 2020