The Basics of Respiratory Infections: Differences Among the Cold, Flu, COVID-19, and More
What is a Respiratory Infection? Respiratory infections affect the respiratory system, including the nose, sinuses, throat, airways, and lungs. They can be caused by viruses, bacteria, and fungi, but tend to present similar symptoms, such as a cough, congestion or runny nose, and fatigue. Because the symptoms are so similar among different types of infection, the illness can be difficult to diagnose or identify. While most respiratory illnesses go away on their own, some require medical intervention. In this article, you’ll learn about viral, fungal, and bacterial respiratory … Read more