(Portland, OR) -- Two people are confirmed to have measles in a Clackamas County household. The Oregon Health Authority reports an unvaccinated adult was confirmed to have the disease on June 14th and an unvaccinated child got the virus a few days later. Measles is highly contagious. The adult was exposed between May 19th and June 4th. The location of exposure isn't known. The patient was at the OHSU Immediate Care Richmond Clinic on June 12th from 4:40 p.m. to 5:40 p.m., where other people could have been exposed. The patient also went to the OHSU Hospital Emergency Department, but exposure risk is low, because the patient was masked.