Norovirus Cases Rise in England: Summer Travel Health Advice 2026

Norovirus Cases Remain Above Average in England: What Travellers Need to Know This Summer

Norovirus cases in England remain above the five-year average, according to UKHSA. Learn the symptoms, how the virus spreads, prevention tips, and what travellers should know before their summer holiday.

People planning summer holidays are being urged to stay alert after the latest public health data showed that norovirus infections in England remain higher than usual for this time of year.

According to the UK Health Security Agency (UKHSA), laboratory-confirmed cases of norovirus during the latest four-week reporting period were around 24 percent above the five-year average. While infection levels have declined compared with earlier weeks, health officials say the virus continues to circulate and can spread rapidly in households, schools, childcare settings, hotels, cruise ships, and other crowded environments.

Although often called the "winter vomiting bug," norovirus can spread at any time of year. During busy travel periods, increased social contact and shared facilities may increase the risk of infection.

What Is Norovirus?

Norovirus is a highly contagious virus that causes gastroenteritis, an infection of the stomach and intestines. It is one of the leading causes of vomiting and diarrhoea worldwide.

The illness usually develops quickly and can make people feel very unwell for several days. Fortunately, most healthy adults recover without needing medical treatment.

Unlike bacterial infections, norovirus is caused by a virus, meaning antibiotics do not work against it.

Latest UKHSA Data

The latest surveillance report from the UK Health Security Agency indicates that:

• Laboratory-confirmed norovirus cases remain approximately 24 percent above the seasonal five-year average.
• Young children aged under five continue to experience the highest infection rates.
• Reports have started to decline but remain under close monitoring.
• Seasonal patterns have changed since the COVID-19 pandemic, making yearly trends less predictable.

Public health experts continue to monitor the situation as families travel during the school holidays.

Why Young Children Are Most Affected

Children under five are especially vulnerable because their immune systems are still developing. Young children also have frequent close contact with others in nurseries and childcare settings, making transmission easier.

Parents should encourage regular handwashing with soap and warm water, especially after using the toilet and before meals.

Children experiencing vomiting or diarrhoea should stay home from school or nursery until they have been symptom-free for at least 48 hours.

Common Symptoms of Norovirus

Symptoms usually begin between 12 and 48 hours after exposure.

Common signs include:

• Sudden nausea
• Vomiting
• Watery diarrhoea
• Stomach cramps
• Mild fever
• Headache
• Muscle aches
• General tiredness

Most people begin to feel better within two or three days, although weakness may last slightly longer.

How Norovirus Spreads

Norovirus spreads very easily.

The virus can be passed on through:

• Close contact with an infected person
• Touching contaminated surfaces
• Eating food prepared by someone carrying the virus
• Drinking contaminated water
• Sharing bathrooms or living spaces

Even tiny amounts of the virus can cause infection, making good hygiene especially important.

Why Handwashing Matters More Than Hand Sanitiser

Many people rely on alcohol-based hand sanitisers while travelling. However, health experts advise that soap and warm water remain the most effective way to remove norovirus.

Alcohol gels may help reduce some germs, but they are significantly less effective against norovirus.

Travellers should wash their hands thoroughly:

• After using the toilet
• Before eating
• Before preparing food
• After changing nappies
• After cleaning up vomit or diarrhoea

Cleaning contaminated surfaces with bleach-based disinfectants can also reduce the spread of infection.

Staying Healthy While Travelling

Whether travelling within the UK or overseas, simple precautions can reduce the risk of illness.

Helpful travel tips include:

• Wash hands regularly.
• Drink safe, clean water.
• Eat food that has been cooked thoroughly.
• Avoid sharing towels.
• Disinfect high-touch surfaces when possible.
• Stay hydrated throughout your trip.
• Avoid preparing food for others if you become ill.

If symptoms develop while travelling, rest, drink plenty of fluids, and avoid close contact with others whenever possible.

Preventing Dehydration

Vomiting and diarrhoea can quickly lead to dehydration.

Signs include:

• Dry mouth
• Feeling dizzy
• Dark urine
• Passing urine less often
• Extreme tiredness

Young children and older adults are more likely to become dehydrated and should be monitored carefully.

Most people recover by drinking small amounts of water frequently or using oral rehydration solutions if recommended by a healthcare professional.

When Should You Seek Medical Advice?

Although norovirus usually clears on its own, medical advice should be sought if:

• Symptoms continue for several days.
• Severe dehydration develops.
• Blood appears in diarrhoea.
• Persistent vomiting prevents drinking fluids.
• An infant, elderly person, or someone with a weakened immune system becomes seriously unwell.

Emergency care may be required if dehydration becomes severe.

Other Stomach Viruses Also Being Monitored

Health authorities have also reported that rotavirus activity remains above the seasonal average.

Rotavirus mainly affects babies and young children, causing symptoms similar to norovirus, including diarrhoea and vomiting.

Public health officials continue monitoring several gastrointestinal infections throughout the summer travel season.

Key Takeaways

Norovirus remains one of the most common causes of stomach illness in the UK. While current case numbers are higher than the seasonal average, simple hygiene measures remain highly effective at reducing transmission.

Regular handwashing, staying home for at least 48 hours after symptoms end, and maintaining good hydration are among the most important steps individuals can take to protect themselves and others.

Travellers heading abroad or enjoying holidays within the UK should remain aware of symptoms and practise good food and hand hygiene throughout their trip.

Frequently Asked Questions

Is norovirus common during summer?

Yes. Although it is often called the winter vomiting bug, norovirus can spread throughout the year, including during summer.

How long does norovirus last?

Most people recover within two to three days.

Can antibiotics treat norovirus?

No. Antibiotics only treat bacterial infections and have no effect on viruses such as norovirus.

How long should I stay home after norovirus?

Public health guidance recommends remaining away from work, school, or childcare for at least 48 hours after symptoms have completely stopped.

Can I catch norovirus more than once?

Yes. There are multiple strains of norovirus, and previous infection does not provide lifelong immunity.

Sources

• UK Health Security Agency (UKHSA). Weekly National Norovirus and Rotavirus Surveillance Reports.
• NHS. Norovirus (Winter Vomiting Bug) Guidance.
• UK Health Security Agency. Advice on preventing gastrointestinal infections.

Disclaimer

This article is for informational and educational purposes only and should not be considered medical advice. Information is based on guidance available from UK public health authorities at the time of publication. Always consult a qualified healthcare professional regarding medical concerns, diagnosis, or treatment. If you or someone in your care develops severe dehydration, persistent symptoms, or signs of serious illness, seek medical attention immediately.