The flu season is here again. Many don’t realize how dangerous the flu can be. It causes thousands of deaths in the United States every year. It is important as
The flu season is here again. Many don’t realize how dangerous the flu can be. It causes thousands of deaths in the United States every year. It is important as
What is influenza ? Influenza is commonly known as flu. It is a viral infection of the respiratory system. Flu is caused by different strains of viruses and attacks the nose ,