Hurk, K. V. D., Merz, E-M., Prinsze, F. J., Spekman, M. L. C., Quee, F. A., Ramondt, S., Slot, E., Vrielink, H., Veld, E. M. J. H. I. ., Zaaijer, H. L., & Hogema, B. M. (2021). Low awareness of past SARS-CoV-2 infection in healthy adults. Cell Reports Medicine, 2(3). ,