Columbia subject headings:
COVID-19 Pandemic, 2020---Social aspects--Mexico.
COVID-19 Pandemic, 2020---Social aspects--United States.
Equality--Mexico.
Mexico--Emigration and immigration--Government policy.
Mexico--Emigration and immigration--Health aspects.
Mexico--Emigration and immigration--Social aspects.
United States--Emigration and immigration--Government policy.
United States--Emigration and immigration--Health aspects.
United States--Emigration and immigration--Social aspects.
Harvard subject headings:
Princeton subject headings:
COVID-19 Pandemic, 2020---Social aspects--Mexico.
Emigration and immigration--Social aspects.
Equality--Mexico--21st century.