फ्लु ( इनफ्लुएनजा महरैबो मिथिजानाय ) आ फ्लु भाइरास सनदेरनायजों सोमजिहोजानाय संफ्लफोर आरो गोजौ बार - लामाफोरनि मोनसे बेराम ।
Flu also known as influenza is a disease of the lungs and upper airways caused by infection with a flu virus .