Probable vertical transmission of Alpha variant of concern (B.1.1.7) with evidence of SARS-CoV-2 infection in the syncytiotrophoblast, a case report oleh Hannah A. Bullock, Erika Fuchs, Erika Fuchs, Roosecelis B. Martines, Mamie Lush, Brigid Bollweg, Alyssa Rutan, Amy Nelson, Mark Brisso, Albert Owusu-Ansah, Craig Sitzman, Laurie Ketterl, Tim Timmons, Patricia Lopez, Elizabeth Mitchell, Elizabeth Mitchell, Emily McCutchen, Emily McCutchen, Jonathan Figliomeni, Peter Iwen, Peter Iwen, Timothy M. Uyeki, Sarah Reagan-Steiner, Matthew Donahue