This article says there are currently 4 P3 teams: https://spectrum.ieee.org/the-human-os/biomedical/bionics/darpas-firebreak-treatment-for-the-coronavirus https

This article says there are currently 4 P3 teams: https://spectrum.ieee.org/the-human-os/biomedical/bionics/darpas-firebreak-treatment-for-the-coronavirus https://spectrum.ieee.org/the-human-os/biomedical/bionics/da...