1 From the Department of Diagnostic Imaging, Chaim Sheba Medical Center, Sheba Road 2, 52621 Ramat Gan, Israel (Y.E., N.T., Y.A., N.K., L.D., M.E.); and Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel (Y.E., N.T., L.D., M.E.).
Ipsilateral avid axillary lymph node uptake at FDG PET/CT persists in 29% (49 of 169) of patients between 7 to 10 weeks after the second dose of the mRNA-based BNT162b2 COVID-19 vaccination.