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Study reveals how smoking worsens COVID-19 infection in the airways

November 17, 2020

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UCLA researchers using a model of airway tissue created from human stem cells have pinpointed how smoking cigarettes causes more severe infection by SARS-CoV-2, the virus that causes COVID-19, in the airways of the lungs.

The study, led by scientists at the Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research at UCLA and published in Cell Stem Cell, will help researchers better understand COVID-19 risks for smokers and could inform the development of new therapeutic strategies to help reduce smokers’ chances of developing severe disease.

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