A rising number of COVID-19 cases in these countries made it impossible to travel to Czech Republic, Hungary and Iceland.
The CDC raised its travel recommendation to 'Level Four: Very High' for the three countries, and said they should avoid travelling there.
The CDC lowered its COVID-19 travel advisory from "Level One: Low" to "Level One: Low" for Japan, India, Pakistan, Liberia, Gambia and Mozambique.
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