Daily COVID-19 cases may be trending down across the globe, but federal health officials advise U.S. travelers to avoid nearly 60% of international destinations because of the virus. 
The Centers for Disease Control and Prevention added four Asian countries – Bhutan, Brunei, Iran and Malaysia – to its “level 4” travel health notice this week, a collection of destinations with “very high” levels of COVID-19. 
“Avoid travel to these destinations,” the CDC says on its website. “If you must travel to these destinations, make sure you are fully vaccinated before travel.”
The four countries join 136 other destinations listed under the level 4 category, including popular tourist spots such as Jamaica, Germany and Mexico. Level 1, nations with low levels of COVID-19, lists six destinations. 
CDC TRAVEL HEALTH NOTICE:The CDC warns US travelers to avoid more than 135 destinations. Do people care?
Larger countries are considered to have very high COVID-19 levels when they report more than 500 new cases per 100,000 people over the past 28 days. Destinations with a population of 100,000 or fewer must report more than 500 cumulative new cases over the past 28 days. 
Other changes to the CDC’s travel guidance include:
As of Tuesday, the CDC’s level 4 list includes:
Follow USA TODAY reporter Bailey Schulz on Twitter: @bailey_schulz. 

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