COVID-19/epidemiology; Dissent and Disputes; Safety/statistics & numerical data; Schools/organization & administration; Adolescent; Adult; Anxiety/epidemiology; COVID-19/prevention & control; COVID-19/transmission; COVID-19/virology; COVID-19 Vaccines/administration & dosage; COVID-19 Vaccines/economics; Centers for Disease Control and Prevention, U.S./legislation & jurisprudence; Child; Child, Preschool; Education/methods; Education/trends; Education, Distance/statistics & numerical data; Education, Distance/trends; Educational Status; Humans; Masks; Parents/psychology; Politics; Risk Assessment; SARS-CoV-2/isolation & purification; SARS-CoV-2/pathogenicity; School Teachers/psychology; Student Dropouts/statistics & numerical data; Students/psychology; UNESCO; Uncertainty; United States; Vaccination/economics; Vaccination/statistics & numerical data; Ventilation; Young Adult

Diseases; Epidemiology; SARS-CoV-2