Influenza viruses cause flu, a highly contagious respiratory illness. Flu affects the lungs, throat, and nose and can cause mild to severe illness. You can prevent flu by getting a flu vaccine every year. Read on to learn key facts about the flu shot.
The flu is a viral infection that attacks the throat, nose, and lungs. It is highly contagious with symptoms ranging from mild to severe. Anyone can be affected by the flu. Read more to learn the flu symptoms & prevention tips.
In short, it’s more because of the increased vulnerability to common cold viruses than their presence, which is much higher during winters, that causes the secondary peak in the common cold cases during the springtime.