Mental health
Anxiety
Population
Pandemic
Patient Health Questionnaire
Medicine
Longitudinal study
Depression (economics)
Psychiatry
Clinical psychology
Psychology
Distress
Subclinical infection
Demography
Coronavirus disease 2019 (COVID-19)
Environmental health
Depressive symptoms
Internal medicine
Disease
Pathology
Sociology
Infectious disease (medical specialty)
Economics
Macroeconomics
