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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Vaccine effectiveness in specific PU group within 8-month follow-up: HCWs: health-care workers; BUH: Bulovka University Hospital; KVUH: Královské Vinohrady University Hospital; IKEM: Institute for Clinical and Experimental Medicine.