Nearly 7,500 registered nurses (RN) in the US have signed up to volunteer for Haiti disaster relief, thought to be the biggest aid effort by RNs in US history.

Nurses from other countries are also signing up through the National Nurses Union (NNU) programme.

NNU executive director Rose Ann DeMoro said that the NNU is in contact with the federal government and willing to work with other nations that are part of the international relief effort.

“We know that the few remaining medical facilities in Haiti and those who are now on the ground are completely overwhelmed. In this enormous human tragedy, it is vital to get the nurses deployed rapidly,” DeMoro said.