Your top coronavirus questions answered live

Dr. Jennifer Ashton answers questions about the disease on “Good Morning America.”
2:08 | 03/09/20

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Transcript for Your top coronavirus questions answered live
Now to our "Gma" cover story. About the coronavirus emergency. And Dr. Jen is back with more answers to questions being asked online about the outbreak. Jen, thanks for joining us again. We want to get to as many viewer questions as possible. Madison asked what is the difference between traveling on a cruise ship or air travel? Is either safe. Madison is asking a question so many others are asking. It's important to take a big picture and micro view. First of all, cruise ships are like small cities at sea. There are thousands of people, not hundreds like are on most planes. The average passenger on a cruise ship tends to be 45 and also there is an increased likelihood of having pre-existing medical conditions so it's prolonged and close contact that really is the key. Not just for respiratory infections like coronavirus but at baseline obviously for G.I. Infections too but want to give Madison and some viewers a place to go to check if they're considering taking a cruise which, of course, now the government is cautioning people to avoid. The CDC actually rates and scores every cruise line in the country so they can go to the CDC home page, go to vsp, vessel sanitation program, and look at the score of the individual cruise ship you are considering and pore perspective here, the diamond princess in Japan was scored a 98 and we saw what happened on that ship. The "Grand princess," that's off our coast of California here, got a 93 the last time it was evaluated by the CDC. Wow. We also have a question from Stephanie. She asks if someone needs to get tested how do they go about doing that? I don't even know where to go. At my medical office I don't have tests nor will I or should I. First if you are concerned that you may have a case of coronavirus with mild symptoms or no symptoms, don't go anywhere, call first. Obviously people having severe symptoms of any kind do need to go to an emergency room but the testing process now at the state and local level. Very, very problematic and confusing. Jen ash tongue, thanks very let's go to ginger.

This transcript has been automatically generated and may not be 100% accurate.

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