Business travelers with a return/onward ticket may enter Bangladesh, provided they have a confirmation letter issued by the Bangladesh Board of Investment (BOI). The letter must contain a BOI registration number, and the accredited inviting organization must have notified the Immigration authorities prior to arrival. Business travelers must also present a medical certificate with a negative COVID-19 test result issued at most 72 hours before arrival.
Children under the age of 2 are exempt from presenting a COVID-19 test.
Travelers with proof of recovery from the virus within the last 90 days prior to boarding. Proof of a recent positive viral test and a letter from your healthcare provider or a public health official stating that you were cleared to travel.
More info at the CDC site
Travelers who did not get tested, are advised to stay home and self-quarantine for 10 days after travel.
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