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.