Coronaviruses are a group of viruses known for causing the common cold. They have a halo or crown-like (corona) appearance when viewed under an electron microscope.

Feb 7, 2023 · The common cold is an upper respiratory infection that affects your nose, throat, sinuses and windpipe. Colds usually go away on their own within a week to 10 days.

Feb 23, 2026 · Common types of colds include rhinovirus, coronaviruses, and human parainfluenza virus. Tests can determine the cause of your cold, but it's usually not necessary. Covering coughs …

Is it the common cold, the flu or COVID-19? Our infection prevention expert helps you tell the symptoms apart so you can seek the best treatment.

May 8, 2025 · Learn 12 science-backed ways to try to shorten the aches, chills, sneezing, and coughing of the common cold. The key is to start treating your cold as soon as possible.

Dec 8, 2025 · Most colds go away within seven to 10 days, but coughing and congestion can last longer. You become contagious as soon as symptoms appear, so wash your hands and cover your coughs. …

Feb 19, 2026 · Learn about the common cold, its causes and spread, signs and symptoms and ways to prevent it.

May 24, 2023 · In adults or children, a common cold that lasts a while can lead to swelling and pain in the sinuses. These are air-filled spaces in the skull above the eyes and around the nose.

Mar 1, 2026 · Sneezing, scratchy throat, runny nose — everyone knows the first signs of a cold. Learn more from WebMD about who, when, and why colds are so common.

Cold is a common feeling and experience that we often describe in many different ways, whether we are talking about the weather, a person’s behavior, or the temperature of food and objects. Having a rich …