Testing IgG antibodies against the RBD of SARS-CoV-2 is sufficient and necessary for COVID-19 diagnosis. oleh Victoria Indenbaum, Ravit Koren, Shiri Katz-Likvornik, Mayan Yitzchaki, Osnat Halpern, Gili Regev-Yochay, Carmit Cohen, Asaf Biber, Tali Feferman, Noy Cohen Saban, Roni Dhan, Tal Levin, Yael Gozlan, Merav Weil, Orna Mor, Michal Mandelboim, Danit Sofer, Ella Mendelson, Yaniv Lustig