"Coronavirus: All you need to know
about symptoms and risks"
Countries around the world are increasing their efforts to tackle (to deal with) a new virus that originated in China's Wuhan city.
The World Health Organization (WHO) has declared a global health emergency. Coronavirus has killed at least 490 people in China following an outbreak (the sudden start of war, disease, violence, etc.) in the central Chinese city of Wuhan.
More than 24,500 cases have been reported worldwide, most of them in China. The infection is now more widespread (generalized, happening in many places) than the respiratory syndrome (SARS) outbreak, which also originated in China.
Here is what you need to know:
What is coronavirus?
The name coronavirus comes from the Latin word corona, meaning crown. Under an electron microscope, the image is similar to a crown. About the transmission, little is known, although human-to-human transmission has been confirmed.
What are the symptoms?
Signs of infection include fever, cough and breathing difficulties. In more severe cases, it can lead to pneumonia, kidney failure and even death. The incubation period of the virus remains unknown. Some sources say it could be between 10 and 14 days.
What is being done to stop it from spreading?
Scientists are working on a vaccine but have warned one is unlikely to be available for mass distribution before 2021. Many airlines have cancelled flights to China. Chinese authorities effectively isolated Wuhan and imposed restrictions on travel to and from cities, affecting about 56 million people.
Is this a global emergency?
The outbreak constitutes a global health emergency, the WHO has said. The decision was made after the first cases of human-to-human transmission outside China were confirmed.
Tackle (try to deal with a problem or difficulty)
Outbreak (try to deal with a problem or difficulty)
Widespread (generalized, happening in many places)
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