Curacao is rated the most dangerous area by the United States and is dark red on level 4 on the map due to the increase in casualties. Americans are strongly encouraged to travel to Curacao. That data luchtvaartnieuws.nl
The increase is from mid-July, when the island has not been infected for several months. Although the numbers were lower than their initial peak in April, most people are now vaccinated and have no reason to leave US Level 4.
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, not all Americans care.
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 not a problem if you are fully vaccinated).
Incidentally, the Netherlands is classified as Level 4, high risk, very long lasting, but the consequences are minimal because American tourists are not important to the economy.
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