"Zoonoses" . "History of mental health" . "Viral respiratory tract infections" . "Bipolar spectrum" . "Epidemics" . "Mood disorders" . "Major depressive disorder" . "Psychiatric diagnosis" . "COVID-19" . "Biological hazards" . "Occupational safety and health" . "Health care occupations" . "RTTNEURO" . "RTT" . "Mental states in Csikszentmihalyi's flow model" . "Anxiety" . "Emotions" .