overcrowd

Dr Martin said the policy could further lower vaccination rates in the state, leading to more severe illness and potentially overcrowding hospitals.

"I have been working for the past 20 years. This year is the toughest, because of the overcrowding, the shortage of resources and the shortage of trained staff," she said.

“No longer can ICE stuff people into overcrowded cells or deny detainees their right to see a lawyer,” Karen Tumlin, then legal director at the National Immigration Law Center, said in 2009.

But aid organisations say the areas they are being sent to are already vastly overcrowded, and lack food and medical resources.

The UN has also warned that the tent camps there are already overcrowded and local hospitals are operating at several times their capacity.