MCQ IN MEDICINE

Detailed explanation-1: -What is Influenza (Flu)? Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can cause mild to severe illness, and at times can lead to death.

Detailed explanation-2: -Influenza is a viral infection that affects mainly the nose, throat, bronchi and, occasionally, lungs. Infection usually lasts for about a week and is characterized by sudden onset of high fever, aching muscles, headache, and severe malaise, non-productive cough, sore throat, and rhinitis.

Detailed explanation-3: -The flu is an illness you get from the influenza virus. It causes symptoms like head and body aches, sore throat, fever and respiratory symptoms, which can be severe. Flu is most common in winter months, when many people can get sick at once (an epidemic).

Detailed explanation-4: -Causes. Flu is caused by a virus that is spread from person to person. It causes seasonal epidemics each year.