Columbia subject headings:
Harvard subject headings:
COVID-19 (Disease)--Government policy.
COVID-19 (Disease)--Law and legislation.
COVID-19 (Disease)--Social aspects.
COVID-19 Pandemic, 2020-
Communicable diseases
Public health laws, International
Princeton subject headings:
COVID-19 (Disease)
COVID-19 (Disease)--Government policy.
Communicable diseases.
Public health laws, International.