CalOSHA Guidelines
Cal/OSHA and Statewide Industry Guidance on COVID-19
https://www.dir.ca.gov/dosh/coronavirus/Health-Care-General-Industry.html
Johns Hopkins COVID-19 Dashboard
For current infection and mortality rate statistics.
World Health Organisation
https://www.who.int/emergencies/diseases/novel-coronavirus-2019
Latest Updates, guidelines and need-to-know information