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Gene expression profile of ACE2 in lungs as obtained and plotted at Gene Expression Database at EBI (https://www.ebi.ac.uk/gxa/home) (A) and the Human Protein Atlas (https://www.proteinatlas.org/) (B). The expression peak that corresponds to lungs have been shown using red arrow to ease visualization and verification of data. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
