PORTLAND, Ore. (KTVZ) -- Public health officials say a new data tracking tool the Oregon Health Authority launched Thursday shows the five confirmed measles cases identified in the state since Jan. 1 likely represent only a portion of infections occurring around the state To strengthen early detection, OHA has published a new measles wastewater surveillance dashboard showing viral concentrations by county and categorizing activity as very low, low, moderate or high over two-week periods, OHA said in a news releaseThe post Oregon reports measles outbreak; new dashboard tracks measles virus by county appeared first on KTVZ.