Transcript for Coronavirus virus can spread via human transmission
We're going to turn now to the mysterious and deadly virus. Tonight, authorities confirm it is being spread from human to human. It started in China and it comes as the number of confirmed cases has now quadrupled since we first rourted on it Friday night. More than 200 sickened. At least three people dead. Passengers arriving at some major U.S. Airports are now being screened. Here's ABC's gio Benitez. Reporter: Tonight, growing concern about a mysterious deadly virus, as thousands of travelers from China are screened at American airports. Chinese health authorities confirming the virus, which began in the city Wuhan, is spreading from human to human, sickening at least 14 health care workers. The number of cases quadrupled over the weekend to over 200. At least three patients have died. We still are learning literally by the hour about how this particular virus is behaving. Reporter: Teams from the CDC screening at JFK, lax and sfo, taking temperatures and checking for symptoms of the new coronavirus, which mimic the common cold, flu, or pneumonia. Chinese officials testing with thermal devices. Our Bob woodruff is in Hong Kong. So, here at the strain station, you can see a lot of people, every 20 minutes, pouring in who are coming from mainland China. They come in and they're being monitored and tested for temperatures. So, this is growing fear here. Reporter: We met this man from San Francisco. Kind of frightened at all to you that this is starting to spread? Oh, yes, of course, that's why I'm going home. Reporter: Tonight, doctors using lessons learned from that deadly sars outbreak years ago. The concern is a phenomenon known as a super spreader, which refers to one individual who's particularly sick with a lot of symptoms of a virus who can more readily transmit that virus to others. Gio Benitez with us live tonight from JFK airport. Experts here still believe the risk for exposure is somewhat low, but they want to remain ahead on this. Reporter: That's right, David. As it stands right now, the CDC believes that the risk to the American population is low, but keep in mind that this happens to be the busiest travel season in China and we don't know how contagious this virus is. Gio, thank you. And next here, the arctic blast across the east tonight.
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