The new travel ban and screening process has caused chaos at US airports amid the coronavirus outbreak.

Angry passengers have been sharing images and videos of packed airports in the US, as people returning from Europe queued for medical screening.

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Passengers have faced a series of medical questions regarding their overall health and history while they are checked for symptoms.

The process has resulted in thousands of people waiting hours to travel, with some experts noting that waiting in crowded terminals could potentially lead to more people becoming infected with the virus.

On March 14, the US government extended an existing European travel ban to the UK and Ireland, with the exception of returning US citizens and legal residents. The FCO did not update its existing advice on the day of the announcement.

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Illinois governor JB Pritzker tweeted that the long lines at Chicago's O'Hare airport were "unacceptable".

Acting Homeland Security Secretary Chad Wolf said his office was working with airlines to improve screening times.