Oregon Health Authority (OHA) expected to file permanent rules that keep in place requirements for masking indoors in K-12 schools, and requirements for school and school-based program staff to be vaccinated. State health officials emphasized that the rule filing will maintain masking protections during the current Omicron surge. State officials are developing measures to determine when it may be safe to lift the school mask rule. The permanent rules replace temporary rules, which are only valid for 180 days, and expired Friday. Also expected to be filed Monday are permanent rules requiring health care workers to wear masks, and for health care workers in most health care settings to be fully vaccinated. State health officials continue to review public comments on a proposed permanent rule that would continue, for now, the requirement that masks be worn in indoor public places. That temporary rule expires Feb. 8. At a news conference Friday, Dean Sidelinger, M.D., M.S.Ed., state health