Cal. Code Regs. tit. 17, § 2640
(See Section 2501(c).) The case shall be confined during the clinical phase of the disease in a room satisfactorily protected against mosquitoes. Contacts shall be kept under observation for a period of seven days after the date of last exposure.
1. Amendment filed 5-24-55; effective thirtieth day thereafter (Register 55, No. 8).