][14: As of 19 March, the United States issued a global health advisory for the entire world as level 4, its highest level, advising against travelling.
[11: https://www.dhs.gov/news/2020/03/11/homeland-security-acting-secretary-chad-f-wolf-s-statement-presidential-proclamation ][12: https://www.dhs.gov/news/2020/03/16/department-homeland-security-outlines-new-process-americans-returning-schengen-area ][13: COM(2020) 115 final, 2020. gada 16. marts.][14: Šā gada 19. martā Amerikas Savienotās Valstis izdeva vispārēju veselības jomas brīdinājumu, kurā visu pasauli ierindo 4. līmeņa (augstākajā) apdraudējuma kategorijā, iesakot atturēties no ceļošanas.