Now that the stability of the Santa Clara County testing dashboards has improved, time to add an update for the end of March.
Comparing the test positivity rate to the last numbers in early December, things seem much improved. We shall see whether there have been enough vaccinations locally to maintain this improvement in the face of the new variants which are affecting other states. Los Altos cumulative case count 648, 94022 zip code 402.
Orange Tier risk reduction order effective 24 March 2021 https://www.sccgov.org/sites/covid19/Pages/order-health-officer-10-05-20.aspx