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Behind norovirus outbreak

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    Dr. Siegel shares tips for staying healthy

  • Duration 2:55
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News the -- virus suggests that.

Bob and looks likely -- -- -- -- -- outbreaks in general the sickness planning to New Jersey colleges writing diversity says dozens of students are complaining of -- stomach illness.

Officials believe the virus is tied to a possible outbreak.

At nearby Princeton University.

In the meantime the crown princess cruise ship returning to Florida two days early after an outbreak at C it's one of three cruise ships.

Or hundreds got sick last week the cruise -- set off three ships had to be clean and sanitize really don't work -- time around.

And we hospitality just classic about an entire high school -- ever Cisco that had to close down after hundreds of students became at all.

What is this -- -- it is is this is this the flu.

I've played well doctor Marc Siegel as a member of the Fox News medical -- team and I say that -- because normally we're talking about a flu outbreak.

Now we have this virus that seems to be more prevalent than your average little.

It's called the stomach flu were not getting much of the regular flu this year we're getting a lot of this.

We see twenty million cases every year of normal virus twenty million case it's the number one cause.

Of -- to -- to write this in the United States it's all over the place I'll tell you why.

Because it takes only a danger to ask you get -- free get sick then you can pass it around for another week or two of you don't isolate yourself you keep preparing food.

You keep touch in people they get sick so you you think.

You better you go back to work everyone else do you still find that then you're -- carrier.

Why no one reports suggested that anti bacterial hand sanitize or -- the gel that you carry in your purse or pocket really doesn't work against that is this is that true way does that help with that something -- that's.

The Center for Disease Control says it does work it doesn't work quite as well as it does against some other viruses hand washing.

Ol' fashioned hand -- and French still the best and again isolating yourself button usually comes in with food what with food handling.

So some food gets contaminated somebody gets sick -- target case and then they start spreading it around -- school ownership.

Now ships are notorious cause a lot of that food is sitting there and freezers.

Then they take it out and somebody gets it.

Is there any coincidence that this is happening during the -- terror.

That we're seeing this outbreak now verses in the middle of the summer when -- normally don't worry about as much it's a great question actually -- and more in close quarters so that makes it's pretty user in the winner.

It also can spread by air.

And all viruses that spread by your spread more easily in the winter.

And we'll probably not sanitizing them.

You said they got to do that shift twice now if you get -- this general what you have to do is keep well hydrated I -- to say that a million times because I'm worried about the elderly.

I'm worried about the chronically ill.

They have to stay hydrated you're gonna have a lot of diary -- this you're gonna have vomiting you can have abdominal pain not a lot of favor.

But a lot of diarrhea a lot of abdominal pain a lot of -- of you have to stay well hydrated.

There's some evidence that kept abysmal may help a little vaccines don't work and there's no real of the treatment and saying well what walk around with a -- are faced anti bacterial stuff in our pocket and wash -- hands on time.

Idea yeah I -- what would you look at what -- on everything will be Monday's.

Thank you -- really appreciate it.