More egg farm workers sick with avian flu. CDC sends help for Eastern WA outbreak Tri-City HeraldAvian influenza case confirmed in Clackamas County egg farm Oregon Public BroadcastingUS confirms two human bird flu cases in Washington state ReutersCDC confirms 2 human cases of bird flu after outbreak on Washington farm KOIN.comFranklin County poultry workers test positive for bird flu, state health officials investigating KING5.com