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Education, specialties, and probability of the contact with COVID-19 in respondents according to their number of practiced protective strategies % (χ2 = 25.1; 23.4; 12.1, P ≤ 0.05). *<1%, **<2%, (1) incomplete primary education, (2) primary education, (3) incomplete higher, (4) anesthesiology/ICU, (5) epidemiology/infectious diseases, (6) internal medicine/pulmonology/general practitioners, (7) paramedical stuff, (8) contact with COVID-19. ICU – Intensive care unit
