Influenza

Overview	Acute respiratory infections caused by the influenza virus
Infection Route	Spread by coughing, sneezing
Symptoms	Sudden high fever (over 38 degrees), headache, general weakness, cough, sore throat, nasal congestion, myalgia, etc.
Progress	It can be improved with symptomatic therapy or antiviral medicines, but may progress to pneumonia or lead to death.
Vaccination	Vaccination every year (between September and October)