Slide 1 - H7N9 H7N9 RNA H = N = RNA 10 Most sensitive symptoms for diagnosing influenzaSymptom:sensitivityspecificityFever6886%2573%Cough8498%729%Nasal congestion6891%1941%All three findings, especially fever, were less sensitive in people over 60 years of age. Influenza virus particle 1 H N 2 Host-Range- 2 Host-Range 3 Polymorphism 4 Jump hostVirusMut-Virus 5 6 - - ??
