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Coronavirus outbreak: Health authorities are preparing for a possible pandemic as they work to contain a respiratory illness in China that's caused by a new virus. Governments are limiting travel, isolating sick people and keeping travelers returning from the affected region under quarantine to watch for symptoms. Here's what you should know about the illness:
Is it a pandemic? <br /><br /> Not yet. The virus is an epidemic in China, where more than 17,000 cases have been reported, but has not affected enough people around the globe to be considered a pandemic. So far, other countries have reported only a few dozen cases, most involving travelers returning from China and their close contacts. (Reuters Photo) 
How the new virus identified? <br /><br /> Scientists have identified it as a new coronavirus. The name comes from the Latin word for crowns or halos, which coronaviruses resemble under a microscope. The coronavirus family has many types that affect people. Some cause the common cold while others originating in bats, camels and other animals have evolved into more severe illnesses such as SARS or MERS, Middle East respiratory syndrome. (CDC via AP, File) 
Where did it come from? <br /><br /> The first cases appeared in December in Wuhan, a city in central China's Hubei province. Many of the first people infected had visited or worked at the Huanan Seafood Wholesale Market in Wuhan, which has since been closed for an investigation. Chinese health officials say they believe the illness first spread from animals to people. They now say it can spread between people. (Reuters Photo) 
What are the symptoms? <br /><br /> Common symptoms include fever, cough and shortness of breath. In serious cases, the virus can cause pneumonia. Some patients have needed oxygen. Others have had only mild illness. It's too early to say whether the new virus will fade out as cold and flu viruses do when winter ends. If it does, a second wave of illness could start up in the fall. By then, there may be a vaccine to slow it down. (Reuters Photo) 
How is it treated? <br /><br /> The World Health Organization has said there is not a specific medicine recommended to treat the illness, although some will be tested. For now, doctors are treating symptoms with anti-fever drugs. Some doctors are trying antiviral drugs developed for HIV or Ebola. (Reuters Photo) 
How is it spreading? <br /><br /> Many coronaviruses can spread through coughing or sneezing, or by touching an infected person. Scientists believe the new virus can spread from person to person in close contact through the respiratory tract. Masks can block large droplets from sneezes and coughs. They also can stop people from touching their own mouths and noses, another way to stop germs. Experts say the best way to avoid getting sick from any virus is washing hands with soap and water. (Reuters Photo)
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