https://www.siliconvalley.com/2021/07/10/exclusive-santa-clara-county-covid-data-reveals-more-than-250-workplace-outbreaks/

SAN JOSE — Santa Clara County recorded more than 250 workplace coronavirus outbreaks in 2020 and 2021, new data shows, giving the most comprehensive picture to date of how the virus spread through essential businesses during the peak months of the pandemic.

The outbreaks impacted almost every sector, including retailers and grocery stores, restaurants, construction sites, manufacturing and food processing plants, warehouses, and public agencies like the California Highway Patrol, Cal Fire, the city of San Jose, the San Jose Police Department and the Valley Transportation Authority.