More than 100 countries are on U.S. federal health authorities' list of destinations to avoid because of a high risk of COVID-19, including Australia, Israel, the Bahamas and the British Virgin Islands.
The Centers for Disease Control and Prevention moved 22 countries to their "level 4" travel health notification level on Tuesday, signaling that travelers should "avoid traveling to these destinations" regardless of vaccination status.
"If you have to travel to these destinations, make sure you are fully vaccinated before the trip," the CDC says on its website.
Countries considered to have a "very high" risk of COVID-19 include:
- British Virgin Islands
- Cape Verde
- Saint Kitts and Nevis
- Saint Lucia
- Sao Tome and Principe
- Sankt Martin
- Turks and Caicos Islands
They join other popular Level 4 destinations, including Canada, France and the UK.
The CDC looks at incidence rates and new cases to determine each country's COVID-19 risk. Countries have reached level 4 when reporting more than 500 new cases per year. 100,000 people in the last 28 days.
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Other changes Tuesday to the CDC's travel guide include:
- Costa Rica, Cuba, Fiji, Gabon, Jamaica, Kuwait, Madagascar, Mauritania, Nigeria, Saint Pierre and Miquelon and Togo moved from level 2 to level 3.
- Côte d'Ivoire, Ghana, Morocco, Paraguay, the Philippines, Saba, Saint Barthélemy, Sint Eustatius and Uganda moved from level 1 to level 3.
- Malawi and Mozambique moved from level 4 to level 3.
- Djibouti, India and Kosovo moved from level 1 to level 2.
- Brunei moved from level 3 to level unknown.
Follow USA TODAY reporter Bailey Schulz on Twitter: @bailey_schulz.