Neutralising capacity against Delta (B.1.617.2) and other variants of concern following Comirnaty (BNT162b2, BioNTech/Pfizer) vaccination in health care workers, Israel Lustig, Yaniv and Zuckerman, Neta and Nemet, Ital and Atari, Nofar and Kliker, Limor and Regev-Yochay, Gili and Sapir, Einav and Mor, Orna and Alroy-Preis, Sharon and Mendelson, Ella and Mandelboim, Michal, Eurosurveillance, 26, 2100557 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.26.2100557