![photo of coronavirus airport dog](https://img.webmd.com/dtmcms/live/webmd/consumer_assets/site_images/article_thumbnails/news/2021/09_2021/coronavirus_airport_dog/1800x1200_coronavirus_airport_dog.jpg)
These good girls are very good at what they do, which is detecting the scent of COVID-19 in human breath.
from WebMD Health https://ift.tt/3AthaMr
These good girls are very good at what they do, which is detecting the scent of COVID-19 in human breath.
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