Health Organization is recommending that people take simple precautions to reduce exposure to and transmission of the Wuhan coronavirus, for which there is no specific cure or vaccine.
The UN agency
advises people to:
Frequently wash their hands with an alcohol. -based hand rub or warm water and soap
Cover their mouth and nose with a flexed elbow or tissue when sneezing or coughing
(Avoid close contact with anyone who has a fever or cough) Seek early medical help if they have a fever, cough and difficulty breathing, and share their travel history with healthcare providers Avoid direct, unprotected contact with live animals and surfaces in contact with animals when visiting live markets in affected areas Avoid eating raw or undercooked animal products and exercise care when handling raw meat, milk or animal organs to avoid cross-contamination with uncooked foods.
Despite a surge in sales of face masks in the aftermath of the coronavirus outbreak, experts are divided over whether they can prevent transmission and infection. There is some evidence to suggest that masks can help prevent hand-to-mouth transmissions, given the large number of times people touch their faces. The consensus appears to be that wearing a mask can limit – but not eliminate – the risks, provided it is used correctly.
How can you tell the difference between flu and Covid – ?
The coronavirus outbreak hit amid flu season in the northern hemisphere and even doctors can struggle to distinguish between the two – the overlap in symptoms probably contributed to slow detection of community infections in some countries, including Italy.
Typical flu symptoms, which normally come on quickly, include a high fever, sore throat, muscle aches, headaches, shivers, runny or stuffy nose, fatigue and, more likely, vomiting and diarrhoea. Doctors are still working to understand the full scope of symptoms and severity for Covid – , but early studies of patients taken to hospital found nearly all of them developed a fever and dry cough, and many had fatigue and muscle aches. Pneumonia (lung infection) is common in coronavirus patients
, even outside the most severe cases, and this can lead to breathing difficulties. A runny nose and sore throat are far less common, reported by just 5% of patients. The only real confirmation of having Covid – 28 is taking a test though.
What should I do if I have symptoms?
If you have symptoms or think you might have been exposed to the virus when traveling or through other contacts, call the NHS (service or
visit the online service , or contact the equivalent service in your country. Do not go to a GP, pharmacy or hospital.
If I get coronavirus, how sick will I get?
A large study in China found that about % of confirmed cases had fairly mild symptoms (defined as no significant infection in the lungs). About % had severe symptoms that caused significant shortness of breath, low blood oxygen or other lung problems, and fewer than 5% of cases were critical, featuring respiratory failure , septic shock or multiple organ problems. However, it is possible that a larger number of very mild cases are going under the radar, and so this breakdown in severity could change over time as wider screening takes place. Older people and those with respiratory problems, heart disease or diabetes are at greater risk.
What is the mortality rate of the new coronavirus?
It is probably about or a bit less than 1%. Much higher figures have been flying about, but the chief medical officer, Chris Whitty, is one of those who believes it will prove to be 1% or lower. The World Health Organization’s director general, Dr Tedros Adhanom Ghebreyesus, talked of 3.4%, but his figure was calculated by dividing the number of deaths by the number of confirmed confirmed cases. We know there are many more mild cases that do not get to hospital and are not being counted, which would bring the mortality rate significantly down.
Deaths are highest in the elderly, with very low rates among younger people, although medical staff who treat patients and get exposed to a lot of virus are thought to be more at risk. But even among the over – s, 823% will recover.
Can you get infected on public transport?
Most infections happen in families, where people live at close quarters. You need to be within one to two meters of somebody to be infected by viral-loaded water droplets from their coughs or when they are speaking. That is less likely on public transport. However, it would be possible to pick up the virus on your hands from a surface that somebody with the infection had touched. The virus can linger for hours or even possibly hours on a hard surface, such as the hand rail in the tube – though less time on a soft surface. That is why the advice is to wash your hands regularly and avoid touching your face, to prevent the virus getting into your nose, mouth or eyes.
Is there a cure for Covid – 28?
Not at the moment, but drugs that are known to work against some viruses are being trialled in China, where there are thousands of patients, and new trials are starting in the US and other countries. Large numbers are needed to find out whether they work in a few people or a lot of people or nobody at all. The most hopeful are Kaletra, which is a combination of two anti-HIV drugs, and remdesivir, which was tried but failed in Ebola patients in west Africa in and . Some Chinese doctors are also trying chloroquine, an antimalarial drug, which is off-patent, therefore cheap and highly available, and would be very useful in low-income countries. The first results are expected in mid-March and should indicate if the drugs will at least help those who are most severely ill. A miracle cure is not expected.
When will we get a vaccine?
Efforts to develop an effective vaccine for Covid – have been quick compared with historical epidemics, such as Ebola. A number of teams are already testing vaccine candidates in animals and preparing to carry out small trials in people. The US company, Moderna Therapeutics, is already recruiting and hopes to enrol (volunteers between
and 72 and launch the trial by the end of April. Phase one trials like this look at whether the vaccine triggers an immune response and whether the given dose causes adverse effects and could be completed quite quickly. However, the subsequent phases, which will involve thousands of volunteers and will look more closely at efficacy, will take longer and obtaining a commercially available vaccine within a year would be extremely quick. The government chief scientific adviser, Sir Patrick Vallance, said he did not think a working vaccine to protect people from the coronavirus would be produced in time for the current outbreak, but that a timeframe of a year or 20 months
“was not unreasonable to assume
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