Traveling that failed to be classified as essential was advised against in Denmark because of the spread of the outbreak .
All non-essential travel to a number of other African and Asian countries , and the United States was also advised against because of the restrictions they had introduced on foreign visitors ( for example , restrictions of flights or forced quarantine ) , their healthcare system 's ability to handle a major outbreak or other reasons indirectly related to the coronavirus pandemic .
2020 coronavirus pandemic in Denmark