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Sapir Dreyer-Alster
Department of Neurology, Laura Schwarz-Kipp Research of Autoimmune Diseases, Sackler School of Medicine Tel-Aviv University, Neuroimmunology Laboratory, Multiple Sclerosis Center, Sheba Medical Center, Ramat-Gann, Israel
Publications
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Short Communication
COVID-19 Vaccination does not Prevent Breakthrough Omicron Infection in 3-times Vaccinated Subjects due to Irrelevant Adaptive Immunity
Author(s): Anat Achiron*, Mathilda Mandel, David Magalashvili, Sapir Dreyer-Alster, Polina Sonis, Rina Falb and Michael Gurevich
We evaluated adaptive immune responses in three-time BNT162b2 mRNA vaccinated individuals that subsequently developed Omicron Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) breakthrough infections. Following the third mRNA booster, all subjects had protective IgG antibody response and memory B and T cells responses. However, these responses were not sufficient to prevent Omicron infection that occurred within a period of few months following the booster dose. Our findings suggest the need for a targeted vaccine against Omicron. .. View more»