This is coronavirus daily. I'm Kelly McEvers.

And today, an ethicist talks through the day-to-day moral dilemma as we all face during this pandemic.

And a biologist tells us the best way to disinfect surfaces.

Experts answer more of your questions and segments with my colleague Ari Shapiro on the radio show,

the National Conversation with all things considered. Here's Ari.

We know the best way to avoid getting sick is to stay home as much as possible.

If you're one of the lucky people who can do your job from home, that's great.

But even then, most of us have to interact with the outside world somehow.

We venture out from important errands or get groceries and food from the outside.

So many of you have asked us about how to disinfect the things that could have been exposed to the virus.

We called a biologist to answer your questions.

And this conversation was recorded earlier in the week before President Trump made his comments about disinfectants.

He has since said those remarks are meant to be sarcastic.

Well, to answer your questions on safe, effective ways to disinfect your home,

I spoke to researcher Joshua Santarpia.

He studies microorganisms like the coronavirus at the University of Nebraska Medical Center.

Thanks for joining us.

Thank you.

There is so much that we're still learning about how the coronavirus spreads.

This question comes to us from listeners Stephen Vining of Dayton, Ohio.

NPR cited early research in March,

indicating the COVID-19 virus is viable for 24 hours on porous surfaces

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