The death toll from the cyclone that ripped into southern Africa last month is now above 1,000, while the number of cholera cases among survivors has risen above 4,000.

The United Nations has described Cyclone Idai, which hit Mozambique, Zimbabwe and Malawi nearly a month ago, as “one of the deadliest storms on record in the southern hemisphere.”

Zimbabwe’s information minister on Tuesday said the death toll in that country has risen to 344. Mozambique has reported 602 deaths and Malawi at least 59.

A South African Policeman guides his sniffer dog as they search through mud and rubble for bodies of those killed during Cyclone Idai near Chimanimani, Zimbabwe, Thursday, March 28, 2019. (AP Photo/Shepherd Tozvireva)
A South African Policeman guides his sniffer dog as they search through mud and rubble for bodies of those killed during Cyclone Idai near Chimanimani, Zimbabwe, Thursday, March 28, 2019. (AP Photo/Shepherd Tozvireva)

Zimbabwe’s efforts are now “confined to recovery of the deceased” and the government will send pathologists to Mozambique to help identify bodies, said Information Minister Monica Mutsvangwa. An unknown number of Zimbabweans were washed down mountainsides into Mozambique, which also has turned from search and recovery efforts to relief work providing food and shelter to survivors.

Zimbabwe, whose economy is badly struggling, said it needs $612 million to assist survivors and has appealed for international support.

A final death toll is yet to be established and might never be known.

In this photo taken Saturday, April 6, 2019 a boy watches a demonstration of water filters in the remote village of Bopira, Mozambique. (AP Photo/Cara Anna)
In this photo taken Saturday, April 6, 2019 a boy watches a demonstration of water filters in the remote village of Bopira, Mozambique. (AP Photo/Cara Anna)

A cholera outbreak among survivors was declared in Mozambique on March 27 and had led to 4,072 cases and seven deaths as of Tuesday morning, according to government figures.

Most of the cases of the acute diarrheal disease have been in Mozambique’s hard-hit port city of Beira, where running water recently was restored. The system, however, reaches just 60% of the population of roughly 500,000.

More than 745,000 doses of oral cholera vaccine have been distributed since the vaccination campaign launched last week, the government said. Cholera is spread via contaminated water or food and can kill within hours if untreated. Treatment is relatively easy with rehydration and antibiotics.

Children carry books damaged by the cyclone at a camp for displaced survivors of cyclone Idai in Dombe, about 280km west of Beira, Mozambique, Thursday, April 4, 2019. (AP Photo/Tsvangirayi Mukwazhi)
Children carry books damaged by the cyclone at a camp for displaced survivors of cyclone Idai in Dombe, about 280km west of Beira, Mozambique, Thursday, April 4, 2019. (AP Photo/Tsvangirayi Mukwazhi)

Now malaria is a growing concern as floodwaters continue to recede in parts of the sodden region. More than 7,500 cases of the mosquito-borne disease have been reported, the government said.

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Associated Press writer Cara Anna in Johannesburg contributed.

A man waits to receive food aid outside a camp for displaced survivors of cyclone Idai in Dombe, about 280km west of Beira, Mozambique, Thursday, April 4, 2019. (AP Photo/Tsvangirayi Mukwazhi)
A man waits to receive food aid outside a camp for displaced survivors of cyclone Idai in Dombe, about 280km west of Beira, Mozambique, Thursday, April 4, 2019. (AP Photo/Tsvangirayi Mukwazhi)

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Mujeres y niños esperan en fila para recibir una vacuna oral contra el cólera, en un campamento para sobrevivientes del ciclón Idai, en Beira, Mozambique, el 3 de abril de 2019. (AP Foto/Tsvangirayi Mukwazhi)
Mujeres y niños esperan en fila para recibir una vacuna oral contra el cólera, en un campamento para sobrevivientes del ciclón Idai, en Beira, Mozambique, el 3 de abril de 2019. (AP Foto/Tsvangirayi Mukwazhi)
A woman fetches water from an unprotected source in Beira, Mozambique, Sunday, March, 31, 2019. Cholera cases among cyclone survivors in Mozambique have jumped to 271, authorities said. (AP Photo/Tsvangirayi Mukwazhi)
A woman fetches water from an unprotected source in Beira, Mozambique, Sunday, March, 31, 2019. Cholera cases among cyclone survivors in Mozambique have jumped to 271, authorities said. (AP Photo/Tsvangirayi Mukwazhi)
A mother bathes her baby in a bucket at a camp for displaced survivors of Cyclone Idai in Beira, Mozambique, Sunday, March, 31, 2019. (AP Photo/Tsvangirayi Mukwazhi)
A mother bathes her baby in a bucket at a camp for displaced survivors of Cyclone Idai in Beira, Mozambique, Sunday, March, 31, 2019. (AP Photo/Tsvangirayi Mukwazhi)
Women and children are outside a displacement camp in Beira, Mozambique, Sunday, March, 31, 2019. Mozambican authorities say the number of cholera cases among cyclone survivors has risen to 271. (AP Photo/Tsvangirayi Mukwazhi)
Women and children are outside a displacement camp in Beira, Mozambique, Sunday, March, 31, 2019. Mozambican authorities say the number of cholera cases among cyclone survivors has risen to 271. (AP Photo/Tsvangirayi Mukwazhi)
A young boy is seen outside a displacement camp for survivors of Cyclone Idai in Beira, Mozambique, Sunday, March, 31, 2019. (AP Photo/Tsvangirayi Mukwazhi)
A young boy is seen outside a displacement camp for survivors of Cyclone Idai in Beira, Mozambique, Sunday, March, 31, 2019. (AP Photo/Tsvangirayi Mukwazhi)
A woman diagnosed with cholera lies on a bed at a treatment centre in Beira, Mozambique, Saturday, March 30, 2019. (AP Photo/Tsvangirayi Mukwazhi)
A woman diagnosed with cholera lies on a bed at a treatment centre in Beira, Mozambique, Saturday, March 30, 2019. (AP Photo/Tsvangirayi Mukwazhi)
A South African Policeman guides his sniffer dog as they search through mud and rubble for bodies of those killed during Cyclone Idai near Chimanimani, Zimbabwe, Thursday, March 28, 2019. (AP Photo/Shepherd Tozvireva)
A South African Policeman guides his sniffer dog as they search through mud and rubble for bodies of those killed during Cyclone Idai near Chimanimani, Zimbabwe, Thursday, March 28, 2019. (AP Photo/Shepherd Tozvireva)