Coronaviruses (CoV) are a large family of viruses that cause illness ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and Severe Acute Respiratory Syndrome (SARS-CoV). A novel coronavirus (nCoV) is a new strain that has not been previously identified in humans.
Coronaviruses are zoonotic, meaning they are transmitted between animals and people. Detailed investigations found that SARS-CoV was transmitted from civet cats to humans and MERS-CoV from dromedary camels to humans. Several known coronaviruses are circulating in animals that have not yet infected humans.
Common signs of infection include respiratory symptoms, fever, cough, shortness of breath and breathing difficulties. In more severe cases, infection can cause pneumonia, severe acute respiratory syndrome, kidney failure and even death.
Standard recommendations to prevent infection spread include regular hand washing, covering mouth and nose when coughing and sneezing, thoroughly cooking meat and eggs. Avoid close contact with anyone showing symptoms of respiratory illness such as coughing and sneezing.
What are they and should I see a doctor?
What are the symptoms caused by the virus from Wuhan in China, how does it spread, and should you call a doctor?What is Covid-19 – the illness that started in Wuhan?
It is caused by a member of the coronavirus family that has never been encountered before. Like other coronaviruses, it has come from animals. Many of those initially infected either worked or frequently shopped in the Huanan seafood wholesale market in the centre of the Chinese city.What are the symptoms this coronavirus causes?
The virus can cause pneumonia. Those who have fallen ill are reported to suffer coughs, fever and breathing difficulties. In severe cases there can be organ failure. As this is viral pneumonia, antibiotics are of no use.![]() |
Coronavirus Symptoms: What Are The Symptoms and When Should You See A Doctor – Everything You Need To Know! |
The antiviral drugs we have against flu will not work. Recovery depends on the strength of the immune system. Many of those who have died were already in poor health.
Should I go to the doctor if I have a cough?
The medical advice is that if you have recently travelled from areas affected by coronavirus, you should:1. Stay indoors and avoid contact with other people as you would with the flu
2. Call NHS 111 to inform them of your recent travel to the area
More NHS advice on what to do if you think you have been exposed to the virus can be found here, and the full travel advice to UK nationals is available here.
The death toll has passed 3,000 in China, where there have been over 80,000 cases. South Korea, the nation worst hit by the outbreak outside China, has had 5,328 cases. More than 44,000 people in China have recovered from Covid-19.
There have been 87 recorded cases and no fatalities to date in the UK. There are 53 confirmed cases in Australia, with two deaths.
Another key unknown is how contagious the coronavirus is. A crucial difference is that unlike flu, there is no vaccine for the new coronavirus, which means it is more difficult for vulnerable members of the population – elderly people or those with existing respiratory or immune problems – to protect themselves. Hand-washing and avoiding other people if you feel unwell are important. One sensible step is to get the flu vaccine, which will reduce the burden on health services if the outbreak turns into a wider epidemic.
Is the virus being transmitted from one person to another?
China’s national health commission has confirmed human-to-human transmission, and there have been such transmissions elsewhere.How many people have been affected?
As of 4 March, the global death toll was 3,190, while more than 93,000 people have been infected in more than 80 countries.The death toll has passed 3,000 in China, where there have been over 80,000 cases. South Korea, the nation worst hit by the outbreak outside China, has had 5,328 cases. More than 44,000 people in China have recovered from Covid-19.
There have been 87 recorded cases and no fatalities to date in the UK. There are 53 confirmed cases in Australia, with two deaths.
Why is this worse than normal influenza, and how worried are the experts?
We don’t yet know how dangerous the new coronavirus is, and we won’t know until more data comes in. The mortality rate is around 2% in the epicentre of the outbreak, Hubei province, and less than that elsewhere. For comparison, seasonal flu typically has a mortality rate below 1% and is thought to cause about 400,000 deaths each year globally. Sars had a death rate of more than 10%.Another key unknown is how contagious the coronavirus is. A crucial difference is that unlike flu, there is no vaccine for the new coronavirus, which means it is more difficult for vulnerable members of the population – elderly people or those with existing respiratory or immune problems – to protect themselves. Hand-washing and avoiding other people if you feel unwell are important. One sensible step is to get the flu vaccine, which will reduce the burden on health services if the outbreak turns into a wider epidemic.