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Subjects
- United States6
- COVID-19 Vaccines -- economics3
- COVID-19 -- economics2
- COVID-19 Drug Treatment2
- COVID-19 Vaccines2
- Cost Savings2
- Insurance Coverage2
- Vaccination Hesitancy -- statistics & numerical data2
- Adolescent1
- Attitude of Health Personnel1
- COVID-19 -- epidemiology1
- COVID-19 -- mortality1
- COVID-19 Vaccines -- therapeutic use1
- Child1
- Demography1
- Drug Approval1
- Health Behavior1
- Health Personnel1
- Hospitalization -- statistics & numerical data1
- Immunization, Secondary -- statistics & numerical data1