The new coronavirus (Covid-19) is spreading fast. More than 421,000 people are known to be infected, and more than 18,800 deaths have been recorded worldwide.

The bulk of new cases being recorded each day are now outside China, and the virus is spreading at some speed across Europe.

There have now been 8,077 confirmed cases in the UK, although at least 10,000 people are thought to be infected, and 422 patients have died. More than 90,000 people have now been tested in England, Scotland, Wales and Northern Ireland. 

Experts have been warning for years that the world is overdue a major disease outbreak, but there is much that individuals can do to protect themselves and others. 

This practical guide is designed to keep you safe and will be updated daily. It is underpinned with advice from leading experts in the NHS and beyond. 

What is a coronavirus?

Coronaviruses are a family of viruses that cause disease in animals. Seven, including the new virus, have made the jump to humans, but most just cause common cold-like symptoms.

Two coronaviruses – Middle East respiratory syndrome (Mers) and severe acute respiratory syndrome (Sars) – are much more severe, having killed more than 1,500 people between them since 2002.

The new virus, officially known as Covid-19, is also more dangerous than the common cold. So far, around 15 to 20 per cent of hospital cases have been classed as “severe” and the current death rate varies between 0.7 per cent and 3.4 per cent depending on the location and, crucially, access to good hospital care.

This is much lower than Mers (30 per cent) or Sars (10 per cent), but still a significant threat.

Scientists in China believe that Covid-19 has mutated into two strains, one more aggressive than the other, which could make developing a vaccine more complicated.

What are the symptoms of the new coronavirus?

According to the World Health Organisation (WHO), the main symptoms of the coronavirus usually include:

  • A dry cough 
  • A temperature
  • Tiredness/lethargy
  • Shortness of breath (in more severe cases)

Some patients may have “aches and pains, nasal congestion, runny nose, sore throat or diarrhoea”, the WHO adds. “These symptoms are usually mild and begin gradually. Some people become infected but don’t develop any symptoms and don’t feel unwell”.

These symptoms are similar to other respiratory diseases including flu and the common cold. So if you have symptoms, consider the following:

  • Have you travelled to a high risk area such as China, South Korea or Northern Italy in the last two weeks?
  • Have you been in close contact with someone with coronavirus? 

The chart below identifies some of the most commonly reported symptoms.

Senior medics have also demanded that the official list of coronavirus symptoms should be expanded to include loss of smell and taste as patients also report stomach pains and sore eyes.

Specialist doctors say they have been “inundated” with a wave of patients reporting the sudden loss – usually within 24 hours – of their sense of smell and taste.

How quickly do symptoms emerge?

Symptoms are thought to appear between two and 10 days after contracting the virus, but it may be up to 24 days.

Most people (about 80 per cent) recover from the disease without needing special treatment. However, around one out of every six people (16 per cent) becomes seriously ill and develops difficulty breathing.

Older people, and those with underlying medical problems like high blood pressure, heart problems, lung complaints or diabetes are more likely to develop serious illness.

When should I seek medical help?

People having difficulty breathing should seek medical attention quickly. But do not go out. Instead, you should call NHS 111. 

If you just have a fever and a cough – the main early symptoms of coronavirus – the government now advises that you self-isolate for seven days. However, if you live with others you and the people you live with will have to self isolate for 14 days. This will help protect others.

If you live alone, ask your employer, friends and family to help you to get the things you need.

You do not need to call NHS 111 to go into self-isolation. But if your symptoms worsen during home isolation or are no better after seven days contact the NHS 111 online. If you have no internet access, you should call NHS 111.

For a medical emergency dial 999.

How to ‘self isolate’ if you think you might have coronavirus

If you think you may have the virus,  you should try to isolate or quarantine yourself.

This means you should:

  • Stay at home
  • Do not go to work, school and other public areas
  • Do not use public transport and taxis
  • Get friends and family to deliver food, medicines etc. rather than going to the shops
  • Discourage visitors 

How is the new coronavirus spread and how can I protect myself?

Hand hygiene is the first and most important line of defence.

Like cold and flu bugs, the new virus is spread via droplets when a person coughs or sneezes. The droplets travel for up to three metres, landing on surfaces which are then touched by others and spread further.

People catch the virus when their infected hands touch the mouth, nose or eyes.

It follows that the single most important thing you can do to protect yourself is to keep your hands clean by washing them frequently with soap and water or a hand sanitising gel. 

Also try to avoid touching your mouth, nose or eyes with unwashed hands – something we all do unconsciously on average about 15 times an hour.

Other tips include:

  • Carry a hand sanitiser with you at all time to make frequent cleaning of your hands easy
  • Always wash your hands before you eat or touch your face
  • Be especially careful about touching things and then touching your face in busy airports and other public transport systems
  • Sneeze or cough into the crook of your elbow to prevent your hands being contaminated
  • Carry disposable tissues with you, cover your nose and mouth when you cough or sneeze and dispose of the tissue carefully (catch it, bin it, kill it)
  • Do not share snacks from packets or bowls that others are dipping their fingers into
  • Avoid shaking hands or kissing if you suspect viruses are circulating
  • Regularly clean not only your hands but also commonly used surfaces and devices you touch or handle 

Is it just droplets from the nose and mouth that spread the new virus?

Probably not, but they are by far the most common risk. 

The NHS and WHO is advising doctors that the virus is also likely to be contained in other bodily secretions including blood, faeces and urine. 

Here again, hand and surface hygiene is the key.

How can I protect my family, especially children?

Children are a major vector for the spread of droplet-based viruses because they interact physically so much with each other and are not the best at keeping themselves clean.

The virus appears to impact older people more commonly but children can be infected and they can get severe illness, the government warns.

However, you can greatly lower the risk that children pose of spreading or catching viruses by:

  • Explaining to them how germs spread and the importance of good hand and face hygiene

  • Keeping household surfaces clean, especially kitchens, bathrooms, door handles and light switches

  • Using clean or disposable cloths to wipe surfaces so you don’t transfer germs from one surface to another

  • Giving everyone their own towel and making sure they know not to share toothbrushes etc

  • Keep your home dry and airy (bugs thrive in musty environments)

The Government is advising that people stay at home and practise social distancing. Stay at least three metres away from other people. 

Avoid going to work unless it’s essential.

Read more: What the lockdown plans mean for you

What about face masks – do they work?

Paper face masks are not recommended by Public Health England, the NHS or other major health authorities for ordinary citizens, and with good reason. 

They are ill-fitting and what protection they might initially provide soon expires. Worse, they quickly become moist inside, providing the perfect environment for germs to thrive in. They also become a hazard for others if carelessly discarded.

An exception to this would be if you were displaying symptoms such as coughing or sneezing – then a mask may help prevent you spreading the virus to others in busy locations.

Read more on face masks here.

Are some groups of people more at risk than others?

Data from China suggests that people of all ages are at risk of contracting the virus, although older people are more likely to develop serious illness.

People with a reduced chance of surviving pneumonia include:

Of the first 425 confirmed deaths across mainland China, 80 per cent were in people over the age of 60, and 75 per cent had some form of underlying disease. 

Is there a vaccine for coronavirus?

There is currently no vaccine, but scientists around the world are racing to produce one thanks to China’s prompt sharing of the virus’s genetic code. 

However, any potential vaccine will not be available for up to a year and would be most likely to be given to health workers most at risk of contracting the virus first. In addition, researchers in China believe that the virus may have mutated into two strains, one of which is highly aggressive, making a search for a vaccine more difficult.

For now, it is a case of containment and increasing hospital capacity to treat patients. The UK government’s conornavirus action plan aims to delay and flatten the epidemic curve of the disease to avoid the NHS from becoming overwhelmed as happened in Wuhan.

Capacity to treat patients who require hospital care will be a major challenge for the NHS – this is what has prompted the government to urge us to practice “social distancing”. Do your bit to help slow down the outbreak by following the advice above.


Workers at Incheon International Airport, in South Korea, spray antiseptic solution amid rising concerns over the spread of coronavirus


Credit: Suh Myung-geon/Yonhap

What is the difference between a coronavirus and a flu virus?

Coronaviruses and flu viruses might cause similar symptoms but genetically they are very different. Coronaviruses begin in animals so humans have no natural immunity.

“Flu viruses incubate very rapidly – you tend to get symptoms two to three days after being infected, but coronaviruses take much longer,” says Professor Neil Ferguson, a disease outbreak scientist at Imperial College London. 

“[With the] flu virus you become immune, but there are lots of different viruses circulating. Coronaviruses don’t evolve in the same way as flu, with lots of different strains, but equally our body doesn’t generate very good immunity.”

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