This scanning electron microscope image shows SARS-CoV-2 (yellow)—also known as 2019-nCoV, the virus that causes COVID-19—isolated from a patient in the U.S., emerging from the surface of cells (blue/pink) cultured in the lab. Credit: NIAID-RML
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This scanning electron microscope image shows SARS-CoV-2 (yellow)—also known as 2019-nCoV, the virus that causes COVID-19—isolated from a patient in the U.S., emerging from the surface of cells (blue/pink) cultured in the lab. Credit: NIAID-RML
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BARTLETT, ILLINOIS - MAY 01: Seven-year-old Hamza Haqqani, a 2nd grade student at Al-Huda Academy, uses a computer to participate in an E-learning class with his teacher and classmates while at his home on May 01, 2020 in Bartlett, Illinois. Al-Huda Academy, an Islam based private school that teaches pre-school through the 6th grade students, has had to adopt an E-learning program to finish the school year after all schools in the state were forced to cancel classes in an attempt to curtail the spread of the COVID-19 pandemic. (Photo by Scott Olson/Getty Images)
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CNN  — 

The number of coronavirus cases around the world has soared past 113,000, with more than 4,000 deaths.

Even the man who oversees New York City’s major airports and bus terminals has tested positive – leaving many wondering how rampant the virus will get.

CNN readers have been asking sharp questions about coronavirus every day. And each weekday, we’ll select some of the top questions and get you the answers.

Here are some of the most recent popular questions:

Q. If traveling on a plane, how do I stay safe?

It’s not the cabin air you need to worry about. It’s keeping your hands clean.