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What's the coronavirus? Your questions, answered

There's still a lot we don't know about the coronavirus, and scientists internationally are racing to gather data and develop a treatment.

Here's what we can tell you so far:

Is there a cure? Not at the moment. Researchers have successfully grown the virus in a lab, an important step towards developing a vaccine -- but it could be a year or more until it's available.
What are the symptoms? Coronavirus symptoms can look like the flu -- fever, cough, trouble breathing. If you show these symptoms and recently went to China, or have been in contact with someone who visited, experts advise going to the doctor.

How does the virus spread? The virus is thought to spread from person to person through respiratory droplets emitted by coughing or sneezing -- but it's not clear exactly when a person becomes contagious. There's currently no evidence that the virus is airborne -- meaning, for instance, it doesn't travel across a large room.

Who is at risk of infection? People of all ages can be infected with the virus, but older people and those with pre-existing medical conditions are especially vulnerable to severe complications.
How can I protect myself? Take the same precautionary measures you would during flu season. Wash your hands often with soap and water, cover your nose and mouth when you sneeze or cough, avoid close contact with people or large gatherings, and wear a face mask.

Is it safe to travel? Airlines have suspended flights, and thousands of foreign citizens in China's Wuhan have been evacuated back to their home countries. Many countries including the US have advised against travel to China.

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