The emergency response director for Save the Children Australia explains why, eight days after a major quake hit Haiti, there's still shortage of medical supplies, food and water.
Frustration and anger have been growing as aid deliveries haven't been able to meet the needs of 1.5 million homeless Haitians, who require urgent medical care, water and food.
Medicins sans Frontieres said another planeload of its medical supplies had been turned around today, amid speculation of disorganisation at Port-au-Prince airport.
But Mike Penrose from Save The Children says no one is to blame.
"If you imagine that we have three million people affected.... The average life saving support to keep somebody alive, in term of minimum standards, is about a metre cube of material that everybody is going to require -- three million metre cube of material immediately required," he told SBS.
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"When the earthquake struck it damaged the airport, it damaged the port, the sheer logistics of getting this material through is incredibly difficult and we have regular flights coming in to the airport, ships are now docking and there's also a land bridge and roads coming over from the Dominican Republic, but the logistical infrastructure in Haiti to begin with was really difficult, even with the all the assets, the US military, world governments and the NGOs".
Mr Penrose added deciding how to prioritise aid is always a difficult decision to make.
"Do you bring in water, do you bring in medicines or do you bring them food? All three are urgently required".
Dr Sebastian Spencer from Médecins Sans Frontières says lack of equipment is still a problem, but hopes today's shipment of medical supplies will make a difference.
"There are old wounds and they get infected and we are facing a lot of gangrene and because of the shortage of equipment and amongst that the surgical equipment we are not able to provide the usual standard we want to achieve because of the short supply - it is very difficult so I would say, at the moment, the surgical care is sub-optimal because of that," he said.
Dr Sebastian hopes normal hospital activities will resume within a week.
" The hope is that, with the equipment hopefully being shipped into Port au Prince, we will be able to do settings for fractures and provide that definitive surgical care.
"I hope that we will slowly diminish the backlog of patients and that we can go back to normal activities for a hospital within a week. But on the other hand we have heard experts talking of more quakes within they next few weeks so I am not sure we will be able to do that".
