UK News Coronavirus in the UK: What a 'super-spreader' is, and how they could affect the virus outbreak

13:15  11 february  2020
13:15  11 february  2020 Source:   inews.co.uk

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Are there super - spreaders of the new coronavirus ? It seems so. The third British case, after But it is likely to be caused by multiple factors, possibly including getting a higher dose of the virus in the There will be particular concern that people can be infected without any symptoms that would alert

  Coronavirus in the UK: What a 'super-spreader' is, and how they could affect the virus outbreak © Provided by The i

Concerns are rising about a British "super-spreader" in the coronavirus outbreak, after it was revealed that a man who was diagnosed in Brighton has links to a number of other cases of the illness.

The man has been named as 53-year-old Steve Walsh, who lives in Hove and works for Servomax, a gas analytics company. He is currently being treated in a hospital isolation unit in London.

The deadly virus was discovered in Wuhan, a city in China, at the end of 2019. Since then, more than 42,600 cases have been reported worldwide although mostly in China, where more than 1,000 people have now died from the illness.

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Others are seeking drug treatments that can help those who fall ill with the infection. But this is not the first coronavirus scientists have encountered, and defeating them is harder Who becomes a super spreader is both a combination of their own biology, the virus itself and the environment they are in.

What are super - spreaders and how are they transmitting coronavirus ? Maybe the virus is going to attenuate its lethality because it certainly doesn’t help it if it kills everybody in its path How long can you keep people away from shopping malls? And if you remove those [restrictions], then is it all

  Coronavirus in the UK: What a 'super-spreader' is, and how they could affect the virus outbreak © Provided by The i

In the UK eight people have contracted coronavirus. Five of them are believed to be closely linked to Mr Walsh. Outside the UK, a further six British people with the virus are also believed to have come into contact with him.

Is there a coronavirus super-spreader in England?

The concern appears to be centred around the British businessman who travelled to a conference in Singapore where he contracted the virus last month. Mr Walsh was diagnosed in Brighton last week and was transferred to the specialist infectious diseases unit at St Thomas' Hospital in London.

However it is important to note that the World Health Organisation has not defined what a super-spreader is in relation to the coronavirus outbreak. And Public Health England will not use the label in connection with the illness.

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How big can a super - spreading event be? Massive - and they can have a huge effect on an "It plays a big role at the beginning of any outbreak , when the virus is trying to get established," Dr Super - spreading of the new coronavirus would not be a surprise and will not significantly change

Telegraph.co. uk and YouTube.com/TelegraphTV are websites of The Telegraph, the UK 's best-selling quality daily newspaper providing news and analysis on UK and Expert warns of ' super - spreader ' risk in coronavirus outbreak - Продолжительность: 2:59 The Sun 1 980 просмотров.

A man in protective clothing cleaning a GP practice in Brighton which has been temporarily closed following reports a member of staff there was one of those infected with coronavirus (Photo: PA)

After Mr Walsh's Singapore trip, between 20 and 23 January, he visited France where he stayed at a chalet in the Alpine resort area of Les Contamines-Montjoie near Mont Blanc.

Five Britons - four adults and a nine-year-old child - were diagnosed with the virus after coming into contact with him there. They are not in a serious condition and are being treated in France.

Mr Walsh then returned to the UK from Geneva on 28 January on flight EZS8481 to London Gatwick, according to easyJet. Health officials are trying to trace the other passengers who were seated near to him on the flight.

Back in the UK Mr Walsh visited The Grenadier pub in Hove. It has been reported that five employees of the establishment are in self-isolation.

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Of those in the UK now diagnosed with the virus , five were closely linked to a businessman who was told he had the disease last week in Brighton. The development came as the UK government declared the coronavirus outbreak a serious and imminent threat to public health, a step that gives

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On Monday, it was announced the total number of coronavirus cases in the UK had doubled to eight. The four new cases are all understood to be contacts of Mr Walsh.

Two of the four newly-diagnosed individuals are believed to be GPs, one of whom works at the County Oak Medical Centre in Brighton. The practice temporarily closed on Monday due to health and safety reasons.

It is understood that one of the doctors at the practice had been on a skiing holiday in France where Mr Walsh was present.

Mr Walsh is also linked to a British man in Majorca who tested positive for coronavirus.

On Sunday, another UK case of the virus was confirmed, who is also "a known contact of a previously confirmed UK case, and the virus was passed on in France", according to England's chief medical officer, Professor Chris Whitty.

What is a 'super-spreader'?

The term super-spreader is being bandied about but there is no agreed scientific definition. However, it is usually used when an individual appears to infect significantly more people than would normally be expected during an outbreak of an illness.

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So how is the virus affecting economic activity within China? The coronavirus is spreading at a rate six times faster than Sars, mostly through human contact between people not yet “There is a risk that an adverse feedback mechanism and limited space for policy response could push the global

So what exactly is a super spreader and how is it relevant to coronavirus ? The British businessman with the virus is believed to have flown home from France via Geneva on an Similarly, children can also be considered super spreaders of the cold and flu, who pass the illness on while at

A typical person with coronavirus will spread it on to an average of 2.6 people, according to Imperial College London - for comparison, someone with Sars passed it on to three other people. But some individuals may spread the virus further, and therefore become known as a super-spreader.

Mary Mallon, a cook from the early 20th century who is more commonly known as Typhoid Mary, was considered a super-spreader after she reportedly infected more than 50 people with the bacterial infection through the food she prepared. She had no symptoms of the infection.

Super-spreaders can increase infection rates and expand the geographical reach of the virus, according to Elizabeth McGraw, professor of Entomology and Director of the Centre for Infectious Disease Dynamics at Pennsylvania State University.

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"Whether someone is a super-spreader or not will depend on some combination of the pathogen and the patient’s biology and their environment or behaviour at the given time," she wrote in a recent article for The Conversation.

Prof McGraw said some people might release more of the coronavirus into the environment "because of how their immune system works". Others might not experience symptoms and therefore risk infecting more people - particularly if they are likely to come into contact with a large number of people in their daily life.

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What are super - spreaders and how are they transmitting coronavirus ? About one in five people transmit infections to far more people than ' Super - spreader ' brought coronavirus from Singapore to Sussex via France. New virus cases in UK are closely linked, official says – as it happened.

They can be a super spreader ,” he says. Poor building maintenance and design could also play a In the Mers outbreak hospitals were a particular source of widespread disease transmission. “We often think of super spreaders as producing lots of virus , which translates to a lot of transmission

Super-spreading events also took place during the Mers and Sars outbreaks - both are types of coronavirus - in hospitals.

Should Britain be concerned about coronavirus super-spreading?

The Government has said the risk to the British population remains moderate, however steps have been taken to ensure public safety.

The Department of Health and Social Care can now forcibly quarantine individuals and forcibly put them in isolation if they pose a threat.

Britons who are returning from Wuhan in China - the epicentre of the outbreak - are being taken to Arrowe Park Hospital on Merseyside and Kents Hill Park in Milton Keynes for quarantine.

Prof McGraw told i that "person-to-person transmission occurring outside of China" was "concerning" but suggested it was too early to say whether Mr Walsh was a super-spreader.

"In this case, a single individual has infected several others at a chalet.

"Stopping transmission depends on our ability to identify sick individuals and implement isolation practices. People who feel well, or exhibit only minor symptoms may be spreading [the] virus unknowingly as they carry on with regular activities and contacts. Additionally, the close quarters and the cold and dry weather may have assisted with virus spread.

"The practice of identifying all of the contacts of the infected people is underway so that their health can be monitored and further transmission limited. In the coming weeks, we will get a sense for whether events like this lead to greater spread or if they can be successfully shut down," she added.

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