FAQs on Laws Enforced by the California Labor Commissioner’s Office

If there is a vacation or paid time off policy, an employee may choose to take such leave and be compensated provided that the terms of the vacation or paid time off policy allows for leave in this circumstance. … California law also protects workers from retaliation for disclosing a positive COVID-19 test or diagnosis or order to quarantine …

https://www.dir.ca.gov/dlse/2019-Novel-Coronavirus.htm