Oregon’s Weekly Influenza Surveillance Report. Just Posted: Flu Bites Report for Week 14, April 1-April 7, 2018. Summary: During Week 14, 1.9% of all emergency department visits in Oregon were due to influenza-like illness (ILI). Among Oregon labs reporting to the National Respiratory and Enteric Virus Surveillance System (NREVSS) and the state health department, 14.9% of specimens tested were positive for influenza. 22 influenza-related hospitalizations were reported during the week in the Portland tri-county metropolitan area. No ILI/influenza-related outbreaks were reported. We invite you to share this Flu Bulletin with your colleagues! Please link to the report listed above for more information regarding flu activity in Oregon. Additional information is also available on our website: http://healthoregon.org/fludata