Who is most affected by norovirus?

Norovirus is a highly contagious virus that causes gastroenteritis, an inflammation of the stomach and intestines. It is known for causing sudden outbreaks of vomiting and diarrhea, and it can affect people of all ages. However, certain groups are more susceptible to norovirus and may experience more severe or prolonged infections.

Young Children

Children under the age of five are particularly vulnerable to norovirus. They are more likely to contract the virus, and when they do, their symptoms can be more severe. This is partly because their immune systems are still developing, and they may not have been exposed to the virus before. Each year, norovirus is responsible for nearly 1 million pediatric medical care visits in the United States.

Elderly Adults

Elderly adults, particularly those over the age of 65, are another group that is heavily impacted by norovirus. Like young children, elderly adults often have weaker immune systems, making them more susceptible to the virus. They are also more likely to experience severe symptoms, and they have a higher risk of complications such as dehydration.

People with Other Medical Illnesses

People with other medical illnesses or conditions that weaken their immune system are also at a higher risk of contracting norovirus and experiencing more severe symptoms. This includes people with chronic illnesses, people undergoing treatment for cancer, and people with HIV/AIDS.

People in Certain Settings

Norovirus spreads rapidly in closed and crowded environments, so people in certain settings are more likely to be affected. This includes people in healthcare facilities, schools and daycare centers, and cruise ships1. Outbreaks often occur in these settings because the virus spreads easily from person to person and through contaminated surfaces.

In conclusion, while anyone can get infected with norovirus, young children, elderly adults, people with other medical illnesses, and people in certain settings are most affected by the virus. It’s important for these high-risk groups to take extra precautions to prevent norovirus infection, such as practicing good hand hygiene and avoiding close contact with people who are infected.