A cold is a contagious upper respiratory infection that affects your nose, throat, sinuses and windpipe (trachea). You may have heard that the common cold is a coronavirus. In fact, more than 200 different types of viruses can cause a cold. The most common cold virus is the rhinovirus. Patients Treatment Providing for near by Perumbakkam areas for Dr. Vishwambhar @ Arca Clinic.
