Please visit Singapore's embassy website to find the most up to date travel requirements: https://sg.usembassy.gov/u-s-citizen-services/covid-19-information/
Please visit Mexico's embassy website to find the most up to date travel requirements: https://mx.usembassy.gov/u-s-citizens-in-mexico-covid-19-information/
Please visit the United Arab Emirates embassy website to find the most up to date travel requirements: https://ae.usembassy.gov/u-s-citizen-services/covid-19-information/
The most up to date travel requirements for Madagascar can be found at the following URL: https://mg.usembassy.gov/u-s-citizen-services/security-and-travel-information/covid-19-information/
The most up to date travel requirements for Mali can be found at the following URL: https://ml.usembassy.gov/u-s-citizen-services/covid-19-information/
The most up to date travel requirements for Malta can be found at the following URL: https://mt.usembassy.gov/u-s-citizen-services/information-on-covid-19/
The most up to date travel requirements for Moldova can be found at the following URL: https://md.usembassy.gov/u-s-citizen-services/covid-19-information/
The most up to date travel requirements for Nauru can be found at the following URL: https://fj.usembassy.gov/u-s-citizen-services/covid-19-information/
The most up to date travel requirements for Niger can be found at the following URL: https://ne.usembassy.gov/u-s-citizen-services/covid-19-information/
The most up to date travel requirements for Nigeria can be found at the following URL: https://ng.usembassy.gov/u-s-citizen-services/covid-19-information/
Adults and minors five years of age and older who successfully complete a pre-travel test will not be subject to the state’s 10-day quarantine program. The test has to be taken 72 hours from the final leg of departure and the negative COVID-19 test ...