Search results
Results from the WOW.Com Content Network
Also sometimes called the Norwalk virus or winter vomiting bug, norovirus is an extremely contagious virus. It is a common cause of illness outbreaks on cruise ships, where more than 90% of ...
“Nausea and or vomiting are usually the first symptoms of norovirus,” says infectious disease expert Amesh A. Adalja, MD, a senior scholar at the Johns Hopkins Center for Health Security.
The norovirus was originally named the "Norwalk agent" after Norwalk, Ohio, in the United States, where an outbreak of acute gastroenteritis occurred among children at Bronson Elementary School in November 1968. In 1972, electron microscopy on stored human stool samples identified a virus, which was given the name "Norwalk virus".
The symptoms of a norovirus infection make it easy for people to confuse it with the flu. "The symptoms of norovirus illness usually include nausea, vomiting, diarrhea, and some stomachcramping.
[2] [4] In children, rotavirus is the most common cause of severe disease. [10] In adults, norovirus and Campylobacter are common causes. [ 11 ] [ 12 ] Eating improperly prepared food, drinking contaminated water or close contact with a person who is infected can spread the disease . [ 2 ]
In 1968, an outbreak at a Norwalk elementary school (e.g. Norwalk virus) in Ohio led to stool samples again being given to volunteers and serially passaged to other people. Finally, in 1972, Kapikian and his colleagues isolated the Norwalk virus from volunteers using immune electron microscopy , a process that involves looking directly at ...
There have been more cases of the highly infectious norovirus this season than totals in the past several seasons, but Kentuckians need not panic. Infectious disease expert Dr. Mark Burns, an ...
A viral disease (or viral infection) occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells. [ 1 ] Examples include the common cold , gastroenteritis , COVID-19 , the flu , and rabies .