(CNN) – Island destinations from the Caribbean Sea to the Indian Ocean joined a handful of Eastern European countries among the last places the U.S. Centers for Disease Control and Prevention considers a “very high” risk. high “to travel.
Grenada, Saint Kitts and Nevis, Mauritius, Albania and Serbia moved Monday into the “Level 4: Covid-19 Very High” category on the CDC’s travel ad list.
Afghanistan, which has been in turmoil since the Taliban takeover and the U.S. withdrawal last month, has also moved to Level 4, along with several other destinations.
• Afghanistan
• Albania
• Belize
• Granada
• Lithuania
• Mauritius
• Saint Kitts and Nevis
• Serbia
• Slovenia
CDC travel alerts range from level 1 (“low”) to level 4 (“very high”).
Destinations belonging to the “Covid-19 Very High” level 4 category have had more than 500 cases per 100,000 residents in the last 28 days, according to CDC criteria.
All of the destinations listed above went from “Level 3: Covid-19 High”.
Level 3 category applies to destinations that have had between 100 and 500 cases per 100,000 residents in the last 28 days.
Israel was also listed as a level 4 upgrade on Monday afternoon. However, Israel was already in the level 4 category before the weekly update. The CDC did not immediately respond to CNN’s request for clarification.
New destinations for ‘Level 3’
Brazil dropped from level 4, while Australia, Ethiopia and Romania previously fell into the “moderate” level 2 category.
Australia has recently struggled to contain an outbreak of the highly contagious delta variant, which has spread to major settlements in Sydney, Melbourne and Canberra, leading to long blockades.
“Fully vaccinated travelers are less likely to obtain and disseminate Covid-19. However, international travel carries additional risks, and even fully vaccinated travelers may be at greater risk of obtaining and disseminating some variants of Covid-19. Covid-19, ”the agency said.
Top image: Aerial view of Sandy Island, Carriacou, Granada (Adobe Stock Photo). CNN’s Ben Westcott contributed to this report.