But despite the population's desperate need, the ruling junta has now tightened regulations to make it harder for aid workers to get visas.
A year after the devastating Cyclone Nargis tore through the Burmese Delta leaving up to 140,000 people dead and further exposing the disregard and inefficiency of the country's military rulers, half a million of those who are still alive continue to depend on hand-outs just to survive.
"There is a lot of concern about shelter," said Chris Kaye, the country director of the World Food Programme. "Around 130,000 families do not have an adequate place to live."
With rice yields down nearly a third due to the increased salinity of the paddy fields and with a severe shortage of drinking water, aid groups warn that hundreds of millions of pounds will be required in the coming months and years to rebuild the region's battered infrastructure, provide people with livelihoods and help treat widespread psychological trauma.
A quarter of a million people will likely have to be fed by aid groups until the end of the year.
"It's getting better, we are making some progress. But there is still a hell of a lot of work to do," said Mr Kaye. "We are still feeding 350,000 people. We had hoped to phase out by now but we are still going to be there until the end of the year."
The concern is pressing. With monsoon rains just weeks away and 200,000 children – many of them orphans – among the 500,000 survivors still living under hastily-constructed huts of bamboo and tarpaulin, aid groups say the need for action is urgent.
The so-called Tripartite Core Group (TCG), comprising the United Nations, Burma and its South-east Asian neighbours, has drafted a plan requiring $691m (£470m).
But the problems facing the beleaguered people of Burma are not just those caused by the fury of Cyclone Nargis's 130mph winds and the surging 12ft wall of water they created.
Campaigners say that the authoritarian regime, hidden away in its remote jungle capital, is continuing to imprison people simply for trying to help those affected by the storm.
They also point to the regime's recent decision to return to the more stringent visa system that applied before the disaster struck.
"Basic freedoms for cyclone survivors are just as restricted as they were before the cyclone," said Elaine Pearson, from Human Rights Watch.
"Donors and friends of the military government, such as China, should press Burma's generals to free activists like Zargana who helped the survivors."
Zargana, one of the country's most popular comedians, helped organise hundreds of volunteers to collect and distribute aid to the affected.
Despite years of oppression and with many in Burma fearing the presence of informers, countless ordinary people got together to gather rice and cooking oil. But after criticising the response of the so-called State Peace and Development Council (SPDC), as the junta terms itself, the comedian was arrested and jailed for 35 years. He is now held in a prison far from his family and said to have fallen into poor heath. Zargana is one of 21 still in prison for such community organising.
Many believe the crackdown was part of a broader effort to jail dissidents ahead of elections due to be held next year but which have already been boycotted by the imprisoned Aung Sang Suu Kyi's National League for Democracy (NLD) opposition. In addition to the aid organisers, the junta last year jailed scores of activists who had taken part in democracy demonstrations during the summer of 2007 and later that year when the protests were joined by thousands of Buddhist monks.
For many in the Delta, a fringe of land where the Irawaddy river pours into the Andaman Sea, democratic rights are a less pressing need than clean drinking water.
The flooding caused by Nargis, which drove sea water miles inland, polluted many wells. "We now have to depend on a local NGO or water sellers from the north for our daily drinking water," Tin Aye, a villager from Pathee Wai Chaung, told Reuters.
Another villager, Ba Thin, 72, who lives near the town of Bogale, which suffered some of the worst devastation, pointed to the bamboo, thatch and tarpaulin huts lining the road.
"Everybody lives on food handouts and most of us don't have decent shelter or a job," he said. "Without help, almost all of us will not be able to grow anything in the coming crop season."
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