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Norovirus is a highly contagious virus that can be spread through contact with an infected person, an infected object, or through the air. It can also be spread through bodily fluids. Because Norovirus is so contagious, infection control procedures are essential to containing an outbr

Norovirus is a very contagious virus that causes gastroenteritis, more commonly known as the stomach flu. Its symptoms include nausea, diarrhea, headache, and fever. Norovirus is spread through direct contact with a contaminated person, object, surface, or eating contaminated food. Th

Ebola virus causes hemorrhagic fever in humans, which is a severe and often fatal disease. Symptoms, including headache, high fever, unexplained bleeding, and vomiting, may appear anywhere from 2 to 21 days after exposure to the virus; a person is only contagious when showing symptoms