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Odor-sensing cells in nose seen as key entry point for SARS-CoV-2

Scientists at Johns Hopkins Medicine, experimenting with a small number of human cell samples, report that the “hook” of cells used by SARS-CoV-2 to latch onto and infect cells is up to 700 times more prevalent in the olfactory supporting cells lining the inside of the upper part of the nose than in the lining cells of the rest of the nose and windpipe that leads to the lungs. These supporting cells are necessary for the function/development of odor-sensing cells.