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The norovirus describes a family of around 50 strains of virus that share one very unpleasant conclusion: copious time spent in the bathroom. Annually, an estimated over half a billion individuals globally fall ill with the virus.

Norovirus is a type of infectious stomach flu, essentially “irritation of the bowel and the large intestine that triggers diarrhea” and nausea and vomiting, notes an infectious disease physician.

Norovirus can spread throughout the year, it has earned the moniker “winter vomiting bug” due to the fact its infections rise from late fall to February across the northern parts of the world.

Here is essential details about it.

How Does Norovirus Propagate?

Norovirus is highly infectious. Most often, it enters the gut via microscopic germs from a sick individual's spit and/or feces. These particles can land on hands, or contaminate food or drink, and ultimately in your mouth – “known as the fecal-oral route”.

Particles remain infectious for about two weeks upon hard surfaces such as doorknobs and bathroom fixtures, with only very little exposure to make you sick. “The infectious dose of noroviruses is fewer than 20 virus particles.” For example, other viruses like Covid-19 need about one to four hundred particles for infection. “When somebody, is suffering from the illness, they shed countless numbers of virus particles per gram of stool.”

Additionally, there is some risk of spread through particles in the air, particularly when you are in close proximity to an individual when they have symptoms like severe diarrhea and/or vomiting.

Norovirus becomes contagious approximately two days prior to the onset of symptoms, and individuals may stay infectious for days or even weeks after they recover.

Crowded environments such as nursing homes, childcare centers as well as airports form a “prime location for catching infection”. Cruise ships have a notorious reputation: health authorities note multiple outbreaks on ships on a regular basis.

What Are the Symptoms of Norovirus?

The start of symptoms is frequently abrupt, initially involving stomach cramps, sweating, chills, nausea, vomiting along with “severe diarrhea”. Typically, the illness are “mild” clinically speaking, which means they resolve in under three days.

Nonetheless, this is an extremely miserable illness. “Individuals often feel quite exhausted; they may have a slight fever, headaches. And in many instances, individuals cannot carry out daily tasks.”

Do I Need Medical Care for Norovirus?

Annually, the virus causes hundreds of deaths and tens of thousands hospital stays nationally, with people over 65 facing the highest risk level. The groups at greatest risk to have severe infections are “children less than 5 years old, and particularly the elderly and those that are immunocompromised”.

Those in these vulnerable age categories are also particularly at risk of kidney problems from dehydration caused by severe diarrhoea. Should a person or loved one is in a vulnerable age category and cannot retain liquids, medical advice recommends seeing your doctor or visiting the emergency room for fluids via IV.

The vast majority of adults and older children with no chronic health issues get over the illness with no need for medical intervention. While authorities track thousands of norovirus outbreaks annually, the total figure of cases reaches millions – most cases are not reported because people are able to “handle their illness on their own”.

Although there is nothing you can do to reduce the duration of an episode with norovirus, it is crucial to stay well-hydrated the entire time. “Aim to drink an equivalent volume of electrolyte solutions or water as the volume you are losing.” “Crushed ice, ice lollies – essentially anything you can keep down that will maintain hydration.”

Anti-nausea medication – medication that reduces queasiness and vomiting – such as Dramamine might be necessary in cases where one can’t retain fluids. Do not, however, take medicines for stopping diarrhea, including Imodium or Pepto-Bismol. “The body attempts to expel the virus, and if you trap the viruses within … the illness lasts longer.”

How Can You Avoid Catching Norovirus?

Right now, we don’t have a norovirus vaccine. This is due to the fact the virus is “very challenging” to culture and study in laboratory settings. It has many strains, mutating often, making a single vaccine difficult.

This makes the basics.

Wash Your Hands:

“To prevent and controlling outbreaks, good handwashing is vital for all.” “Importantly, sick people must not prepare food, or look after others while ill.”

Hand sanitizer and similar alcohol-based disinfectants are not effective on this particular virus, due to how the virus is structured. “You can use sanitizer along with soap and water, sanitizer alone alone does not work well against it and is not a substitute for handwashing.”

Clean hands often and thoroughly, using good-quality soap, for at least 20 seconds.

Avoid Using a Sick Person's Bathroom:

Whenever feasible, designate a separate bathroom for any ill individual in your household until after they are better, and limit other contact, as suggested.

Disinfect Contaminated Surfaces:

Clean surfaces with a bleach solution (1 cup per gallon of water) alternatively full-strength three percent hydrogen peroxide, both of which {can kill|