Slovakia(2) COVID-19(2) antibody(1) Seroprevalence(1) Tularaemia.(1) hospitalized patients(1) Viral hepatitis.(1) Behaviour(1) COVID-19 vaccines(1) SARS-CoV-2(1) misinformation(1) vaccination.(1) HCV(1) Mass testing(1) vaccination(1) psychological/behavioural medicine(1) vaccine.(1) Blood donors(1) HIV/AIDS(1) seroprevalence.(1) Central and Eastern Europe(1) social attitudes(1) surveys and questionnaires(1) immune response(1) refusing medical care.(1) leptospirosis(1) hepatitis B vaccine(1) HBV(1) age(1) vaccine hesitancy.(1)