Pandemic Expert Says California's COVID-19 Tier System Doesn't Work on November 30, 2020 Get link Facebook X Pinterest Email Other Apps https://www.nbcsandiego.com/news/local/pandemic-expert-says-californias-covid-19-tier-system-doesnt-work/2455237/?fbclid=IwAR3jygHhUO7NuAn7YgsqaJF3i7u_19mXcll_qCHNN7IJ-hjvfIyQbE8CxJ0 COVID