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Author Topic: GII.4 Sydney norovirus (Norwalk virus) - 2013  (Read 3961 times)
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seahorse
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T.Y., Brandi!


« on: January 26, 2013, 08:55:57 AM »

New Strain of Norovirus

In 2012, a new strain of norovirus was detected in Australia. It is called GII.4 Sydney. People in the U.S. and other countries have also been infected with the new strain. In the U.S., it is currently the leading cause of norovirus outbreaks. However, we do not yet know if the new strain will cause more norovirus illness than in other years. It is still too early in the season to tell.

CDC will keep watching this closely and provide more information when it is available. Learn more...

http://www.cdc.gov/norovirus/




 


Treatment

There is no specific medicine to treat people with norovirus illness. Norovirus infection cannot be treated with antibiotics because it is a viral (not a bacterial) infection.

If you have norovirus illness, you should drink plenty of liquids to replace fluid lost from throwing up and diarrhea. This will help prevent dehydration.

Sports drinks and other drinks without caffeine or alcohol can help with mild dehydration. But, these drinks may not replace important nutrients and minerals. Oral rehydration fluids that you can get over the counter are most helpful for mild dehydration.

Dehydration can lead to serious problems. Severe dehydration may require hospitalization for treatment with fluids given through your vein (intravenous or IV fluids). If you think you or someone you are caring for is severely dehydrated, call the doctor.

http://www.cdc.gov/norovirus/about/index.html


I'm making a thread for GII.4 Sydney norovirus, since it's not really the flu.  But it looks to be a baddie.  It gets a thread all it's own.     MB
http://www.npr.org/blogs/health/2013/01/25/170249648/new-norovirus-strain-rips-through-the-u-s
New Norovirus Strain Rips Through The U.S.
January 25, 2013

It's here. A variant of norovirus first spotted in Australia is now sweeping the U.S.

The wily virus causes stomach upset, vomiting and diarrhea. The sickness is sometimes referred to as the stomach flu, though influenza has nothing to do with it.

Since the strain called "GII.4 Sydney" was identified in Australia last March, it's been getting around. The U.K. has had a bang-up norovirus season with more than a million people sickened. The new strain has also struck in France and New Zealand.  ::snipping2::
« Last Edit: January 26, 2013, 09:28:24 AM by MuffyBee » Logged

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MuffyBee
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« Reply #1 on: January 26, 2013, 09:32:30 AM »

http://freenewspress.com/news/2013/01/25/norovirus_update1539-1539.htm
New GII 4 Sydney Norovirus Spreads through United States
January 25, 2013

SANTA ANA Calif. (FNP) Health officials are warning that the new strain of the GII.4 Sydney norovirus (Norwalk virus) is easily transmitted. The virus is displacing the previously dominant strain of the GII.4 New Orleans norovirus.

Compounding the problem, the norovirus is not susceptible to alcohols and detergents frequently used to kill germs on the hands. Heating and chlorine-based disinfectants can deactivate the virus, according to Leslie Barclay at the Centers for Disease Control and Prevention (CDC).

Unlike an influenza infection which can be transmitted with 1,000 particles, a norovirus infection can be transmitted with as few as 18 particles. This new superbug can remain contagious on a door handle for two weeks. By comparison, the regular flu virus can remain contagious on a door handle for just hours.
 ::snipping2::
The infection can be passed from person to person or from contaminated food and water. Person-to-person is the most common form of transmission, causing seven out of 11 cases. The norovirus can also become aerosolized when flushing vomit or feces. Lowering the lid of the toilet can help limit the spray.

Although some people may not have any symptoms, the virus can begin to replicate within the small intestines. Symptoms will become apparent within one to two days causing acute gastroenteritis lasting for 24 to 60 hours. Those stricken with the illness may feel nauseated and may even experience forceful vomiting. Another indication is watery diarrhea and abdominal pain accompanied in some cases by muscle aches, headaches, coughs, a low-grade fever, and loss of taste.
 ::snipping2::
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