More answers to your COVID-19 questions

ABC News chief medical correspondent Dr. Jen Ashton discussed how likely it is to get infected from "mask to mask" exposure.
2:45 | 07/07/20

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Transcript for More answers to your COVID-19 questions
Gen action is here with answers to viewer questions on come in nineteen doctor Janet has always thank you so much got a lot of questions for use of the first one what do we know about the virus being airborne so Arab viewers who know a lot about it because we'd been talking about it here for quite some time in in the field of air assault science. Scientists have been looking at the physics to chemistry to biology of how these particles move in the air. Also since the beginning of time we knew about this virus which is just about six months. I would not be surprised to hear. Did it can be spread via -- halls all that means the difference between aerosol airborne and respiratory droplets it's a matter of size is smaller particles it's a matter of distance they can go farther. And it's a matter of hang time to quota sports announced he how long those particles can linger in the air but remember. Just because a virus is airborne or heiress allies. Does not necessarily make it more dangerous it just means you can detect viral particles being you know in that space right another question about spread this one how likely is it to get infected from mask to mask exposure. Like what allegedly happened to the assembly woman in California news so again we don't know because when people are to the personal the topic of masks is such a heated and controversial issue in it in the medical science. As well as in popular culture. Obviously we haven't studied the transmission of this respiratory pathogens when both people earned wearing masks coast again remember. That answer depends on what fabric the mask is made of how the mask fits on the individual person the viral load in the person who's infected which is how much of viruses circulating in there respiratory passage ways. How far away they are so many burial at variables a place and this is something where again I hear this questioned such a good one you think. It can be studied in the lab but in real life the environmental conditions are so much different we we may not ever know the exact answers so many variables that you can't out. Britain next question why is there such a delay in delivering -- nineteen test results to patient I get this question all the time and I ask myself the same question and sometimes the delays. As unfortunately going in the wrong directions getting longer can be five to seven days in some cases. It comes down to processing time. It takes time for the machines to run that specimen it takes manpower woman power it takes regions it takes time to. Crunch that data and then report and then contact a lot of testing centers. Are putting their results online much more quickly than someone can actually pick up the phone and notify someone so. In some cases the fastest I've heard about 48 hours. But we really need to get to the point where it's like a pregnancy tests you can get an answer in five or fifteen minutes Ron area. Doctor Jan we appreciate it thank you so much in you can submit questions to doctor Jan. Honor mr. Graham and doctor.

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

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