Macrophages in lungs (IMAGE)
Caption
Using fluorescent markers, Texas Biomed researchers and colleagues identified the cell populations active in the lung in the first few days of COVID-19 infection. Under the microscope, they observed immune cells called macrophages (the large multicolored circles) responding to SARS-CoV-2 infection, at three days following infection (center). These macrophages were not present in the lung before infection (left) and most were no longer detected two weeks after infection (right). Blue spots are nuclei of normal lung cells.
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Texas Biomed
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