Norovirus is surging in parts of the U.S. again. Here’s what to know about the stomach virus

Circumstances of a wretched abdomen bug are surging in elements of the US this winter, in response to authorities information.

The latest numbers from the U.S. Facilities for Illness Management and Prevention present there have been 91 outbreaks of norovirus reported in the course of the week of Dec. 5, up from 69 outbreaks the final week of November.

Numbers from the previous few years present a most of 65 outbreaks reported throughout that first week of December.

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A norovirus an infection is characterised by sudden vomiting and diarrhea. Outbreaks are sometimes seen on cruise ships, in congregate residing conditions like nursing houses and jails, in addition to colleges and locations the place persons are shut collectively.

Right here are some things to know concerning the virus.

What’s norovirus?

Norovirus is the main reason for foodborne sickness in the US, liable for 58 p.c of such infections acquired within the nation annually, in response to the CDC.

Norovirus infections are brought on by a bunch of viruses that unfold simply, with as few as 10 viral particles being able to make somebody sick, well being specialists say.

There are about 2,500 norovirus outbreaks reported yearly in the US. The outbreaks can happen all year long however are commonest from November to April.

Together with with vomiting and diarrhea, widespread signs embody nausea, abdomen ache, physique ache, headache and fever.

How do you get it?

Most norovirus outbreaks happen when people who find themselves already contaminated unfold the virus to others by direct means, akin to by sharing meals or consuming utensils. Outbreaks can be unfold by meals, water or contaminated surfaces .

How lengthy do you keep sick?

Sickness brought on by norovirus sometimes begins instantly, with signs growing 12 to 48 hours following publicity to the virus. Most individuals get higher inside one to a few days and recuperate totally.

However with 19 to 21 million sicknesses annually in the US, norovirus however causes on common 900 deaths and 109,000 hospitalizations yearly, principally amongst adults aged 65 and older. It additionally results in 465,000 emergency division visits, principally involving younger youngsters.

Who’s in danger?

Folks of all ages can get contaminated and fall sick from norovirus. Younger youngsters, older folks and people with weakened immune techniques are most in danger, with dehydration from vomiting and diarrhea the highest concern.

There is no such thing as a medicine to deal with norovirus. Rehydration is really useful by ingesting water and different liquids, except for espresso, tea and alcohol.

Anybody affected by dehydration ought to search medical assist. Signs of dehydration embody a lower in urination, dry mouth and throat, and feeling dizzy when standing. Dehydrated youngsters could also be unusually sleepy or fussy and cry with few or no tears.

How can I defend myself?

Rigorous and frequent handwashing is the very best protection towards norovirus in the course of the peak winter season, scrubbing the fingers with cleaning soap and heat water for 20 seconds earlier than meals.

Scrubbing surfaces with family disinfectants can even assist.