Table 1.

Entry requirements for selected popular destinations [14].

Country	COVID-19 Level	Entry Requirements
Tanzania	Level 1: Low Risk	Negative COVID-19 laboratory test 24–72 h before departure, completed Traveler’s Health Surveillance Form, and airport health screening which may include on-site rapid antigen testing are all required. COVID-19 vaccination not required. Fully vaccinated travelers are exempt from testing requirements.
Kenya	Level 2: Moderate Risk	Negative COVID-19 laboratory test 24–72 h before departure, on-site rapid antigen test on arrival, and completed Traveler’s Health Surveillance Form are all required. COVID-19, vaccination is not required. Fully vaccinated travelers and those under age 5 years are exempt from testing requirements. Masks are required indoors.
Thailand	Level 3: High Risk	Full vaccination or negative COVID-19 laboratory test within 72 h before departure is required.
Brazil	Level 3: High Risk	COVID-19 vaccination required with limited exception. Negative COVID-19 laboratory test within 24 h before departure is required for unvaccinated travelers. Masks required in certain jurisdictions.
Argentina	Level 3: High Risk	Negative COVID-19 test not required, electronic sworn statement required confirming absence of COVID-19 symptoms and vaccination status within 48 h before departure. Medical travel insurance with coverage for COVID-19 related events is required.
Vietnam	Level unknown: Risk unknown	Negative COVID-19 test not required, but health screening procedures upon arrival are required.

Note: database last accessed September 2022. Country specific information is subject to change.