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ACE2 over TMPRSS2 predominance in villous placental compartment. A. Representative images (200×) of ACE2 and TMPRSS2 co-immunofluorescence. B. Graphical analysis of comparative fluorescence quantitation. COVID and Control: tissue cohorts as described in Fig. 1. Fluorescence Ratio: ratio of corrected total cell fluorescence of target antigen/secondary only control. ***p < 0.001, *p < 0.05. Scale bars: 50 μm.
