Breath test for infectious respiratory diseases, such as COVID-19. [Credit: Nancy R. Gough, BioSerendipity, LLC, using a photo from Wikimedia. https://creativecommons.org/licenses/by/2.0/deed.en]
Breath test for infectious respiratory diseases, such as COVID-19. [Credit: Nancy R. Gough, BioSerendipity, LLC, using a photo from Wikimedia. https://creativecommons.org/licenses/by/2.0/deed.en]