2022年3月4日 · For most people, norovirus infection usually clears up within a few days and isn't life-threatening. But in some people — especially young children; older adults; and people with weakened immune systems or other medical conditions or who are pregnant — norovirus infection can be severe.

2024年12月31日 · Norovirus is the leading cause of vomiting and diarrhea from acute gastroenteritis in the U.S. Learn more from Mayo Clinic.

2022年3月4日 · This highly contagious virus spreads through contaminated food, water or surfaces and causes vomiting and diarrhea. Learn ways to protect yourself.

2023年2月10日 · Gastroenteritis can be brought on by norovirus — a highly contagious viral infection most often spread through person-to-person contact or contaminated food or water, or by touching contaminated surfaces. It can be quite severe for some people, but for most, a few days of feeling unwell is common.

Norovirus infection can cause severe vomiting and diarrhea that start suddenly. Noroviruses are highly contagious. They commonly spread through food or water that is contaminated during preparation or through contaminated surfaces.

2022年1月18日 · Many viruses can cause gastroenteritis, including: Noroviruses. Both children and adults are affected by noroviruses, the most common cause of foodborne illness worldwide. Norovirus infection can sweep through families and communities. It's especially likely to spread among people in confined spaces.

2019年1月14日 · Norovirus is a highly contagious viral infection that is commonly referred to as "stomach flu." However, it is not related to the flu, which is caused by the influenza virus. "Norovirus is a virus that causes gastroenteritis," says Dr. Nipunie Rajapakse, a pediatric infectious diseases specialist at Mayo Clinic.

2025年1月18日 · Viruses that can cause diarrhea include Norwalk virus, also known as norovirus, enteric adenoviruses, astrovirus, cytomegalovirus and viruses that cause hepatitis. Rotavirus is a common cause of sudden childhood diarrhea.

2021年4月28日 · Causes Rotavirus is present in an infected person's stool two days before symptoms appear and for up to 10 days after symptoms lessen. The virus spreads easily through hand-to-mouth contact throughout this time — even if the infected person doesn't have symptoms.

2024年3月7日 · Norovirus is the most common cause of viral gastroenteritis. With norovirus, you can be contagious before you feel ill. Symptoms usually appear within 1 to 2 days being exposed to the virus.