The United States considers Curacao to be the most dangerous area and is marked in dark red on level 4 on the map as the number of victims increases. Americans are strongly encouraged to travel to Curacao. That data luchtvaartnieuws.nl
This increase is from mid-July, when there is no pollution on the island for several months. Although the numbers were below their initial peak in April, most people are now vaccinated and have no reason to leave Level 4 in the United States.
Following that, the Washington State Department revised the travel advice. The decline of Curaçao is because American tourists are the main source of income. At the same time, it is not important for all Americans.
Other Caribbean islands in the Kingdom have less negative travel advice. Sabah and St. Eustatius are classified as stage 1 (low risk), Bonaire stage 2 (limited risk) and Aruba and St. Morton stage 3 (high risk, but no problem if you are fully vaccinated).
Incidentally, the Netherlands is classified as Level 4, high risk, very long-term, but the consequences are minimal because American tourists are not important to the economy.
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