1. European Centre for Disease Prevention and Control (2021) COVID-19 vaccine tracker. [cited 2021 Dec 21]. https://vaccinetracker.ecdc.europa.eu/public/extensions/COVID-19/vaccine-tracker.html#uptake-tab.
2. Ministry of Health, Republic of Poland (2021) Report of vaccination against COVID-19. [cited 2021 Dec 21]. https://www.gov.pl/web/szczepimysie/raport-szczepien-przeciwko-covid-19.
3. Evaluation of PCL rapid point of care antygen test for detection of SARS-CoV-2 in nasopharyngeal swabs;Rastawicki;J. Med. Virol.,2021
4. Evaluation of in-house ELISA and 11 commercial ELISA kits in the serological diagnosis of COVID-19;Rastawicki;Med. Dośw. Mikrobiol.,2021
5. Kinetics of SARS-CoV-2 anti-S IgG after BNT162b2 vaccination;Grupel;Vaccine,2021