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Novel coronavirus 2019-nCoV: what it is and what we know about it

Inicio » EU News » Novel coronavirus 2019-nCoV: what it is and what we know about it

28 de January de 2020

Authorities in China confirmed human-to-human transmission of this virus on 20 January 2020, including to a number of healthcare workers.

What is the outbreak about?

From what ECDC (European Centre for Disease Prevention and Control), national and international agencies currently know, the outbreak is caused by a novel coronavirus. There are still many unknowns regarding to the virulence and pathogenicity of the virus, the severity of affected patients, its transmission patterns, reservoir and source of infection. Epidemiological analyses available to date are also limited which leads to many uncertainties on the characteristics and the dynamic of the outbreak.

The infection was confirmed, with 14 medical staff who provided medical care to patients with new coronavirus. Further evidence of human-to-human transmission, is based on the fact that none of the cases detected outside of China have apparent direct exposure to the Wuhan Huanan seafood market.

What are coronaviruses?

Coronaviruses were identified in the mid-60s and are known to infect humans and a variety of animals (including birds and mammals). This family of viruses are known to cause illness in humans ranging from the common cold to more severe or even fatal diseases such as Middle East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS).

There is currently limited information about the epidemiological and clinical characteristics of the infection caused by 2019-nCoV. Although the data available to ECDC is currently very scarce. This novel coronavirus seems genetically closely related to the 2003 SARS virus and appears to have similar epidemiological characteristics.

What are the symptoms and treatment options?

Even if severe and fatal infections have been observed, human infections with common coronaviruses are mostly mild and asymptomatic, resembling those of a common cold (cough, fever, runny nose, etc.). These viruses are able to cause lower respiratory tract infections and pneumonia in humans.

Are vaccines and treatments available?

There are currently no vaccines against coronaviruses.
There is not specific treatment for this disease so the clinical approach is symptomatic-based on the patient’s clinical condition. Moreover, supportive care for infected persons can be highly effective.

What is the risk of this outbreak spreading further?

Currently seven countries have reported cases and further global spread is likely.
Without implementation of appropriate infection prevention and control (IPC) measures at the point of care of persons under investigation, there is a moderate likelihood of outbreaks in destination countries. In the past, systematic implementation of infection prevention and control measures were effective in controlling both SARS-CoV and MERS-CoV.

More information

Full news

European Centre for Disease Prevention and Control

Publicaciones relacionadas:

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“This is a space for debate. All comments, for or against publication, that are respectful and do not contain expressions that are discriminatory, defamatory or contrary to current legislation will be published”.

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Publicaciones relacionadas


Vista del ala de un avión desde una ventanillaEU Aviation Safety Agency recommendations in response to the Coronavirus 2019-nCoV


European Commission support in view of the new Coronavirus situation (COVID-19)


The EU’s Response to COVID-19


The European Commission will address the issue of Coronavirus at its meeting on 5th March


Statement by the President of the ECB about Covid-19

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