The UK Health Security Agency (UKHSA) has issued a public health warning following an unexpected rise in norovirus cases this spring, with infections currently spreading at “higher levels than usual” for the season.
Commonly known as the “winter vomiting bug,” norovirus is making a strong appearance this spring, prompting health officials to remind the public of its highly contagious nature and the importance of prevention measures.
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In a statement shared on X (formerly Twitter) on Thursday, UKHSA wrote: “Vomiting or diarrhoea in spring? It could still be #Norovirus. Despite being known as the ‘winter vomiting bug’, norovirus can spread all year round, and we’re seeing higher than usual levels this spring. Find out what to do to stop the spread.”
Norovirus is known for causing outbreaks in environments where people are in close contact, such as hospitals, care homes, schools, and nurseries. According to the UKHSA, symptoms typically begin between 12 and 48 hours after exposure. Infected individuals are most contagious while they are symptomatic, but they can still “shed” the virus and contaminate surfaces, objects, or even food before and after the onset of symptoms, reports Surrey Live.
The UKHSA is urging people who fall ill to stay home from work, school, and any healthcare or care facilities for at least 48 hours after their symptoms clear. This self-isolation period is critical to reducing transmission, especially in vulnerable settings.
To help curb the spread, health officials stress the importance of proper hygiene, specifically advising people to wash their hands frequently with warm water and soap, as alcohol-based hand sanitisers are not effective against norovirus.
Typical symptoms include the sudden onset of nausea, diarrhoea, and vomiting. However, some cases may also involve lesser-known symptoms such as headaches, fever, and muscle aches in the arms and legs.
In households where someone is sick, any contaminated clothing or bedding should be laundered at 60°C to ensure the virus is killed. Surfaces and frequently touched objects should be disinfected thoroughly using bleach-based products.
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UKHSA’s warning comes as public health experts continue to monitor the unusual seasonal spike and work to limit the virus’s reach through public awareness. Although norovirus usually resolves within a few days for most healthy individuals, it can be dangerous for the elderly, very young, or immunocompromised.
With increased cases reported across communities, the agency urges vigilance and responsible behavior to protect the most at-risk populations.
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