Region Type of virus Transmission Route Incubation Period Source of Infection Sign Symptom Complication Virulence Factor Dif. Diagnosis Epidemiology Prophylaxis
Influenza Influenza Virus types A , B & C *Droplet infection or droplet nuclei created by sneezing , coughing or talking * Portal of entry Respiratory tract 18 to 72 hours Na Fever , chills , aches and pains , coughing and generalized weakness Fever chills , aches and pains , coughing and generalized weakness * killed vaccine * Live attenuated vaccine