Cal. Code Regs. tit. 17, § 2616 – Streptococcal Infections, Hemolytic (Including Scarlet Fever and Streptococcal Sore Throat).

(a) The patient shall be isolated in accordance with Section 2518 for not less than seven days from onset. Patients treated with an effective antibiotic may be released upon clinical recovery.
(b) Contacts. Household contacts should be kept under frequent medical observation for the development of streptococcal disease. Restriction on contacts is not required, except at the discretion of the local health officer.

1. Amendment filed 5-24-55; effective thirtieth day thereafter (Register 55, No. 8).