This southern African country this week appealed to international donors for USD 100 million to help those affected by the floods, which have washed away bridges and roads and cut off some communities.
President Robert Mugabe, currently in Singapore for a medical checkup, declared the floods to be a national disaster.
Just last year, a regional drought largely induced by the El Nino weather phenomenon killed livestock and forced people to forage for food in forests and seek drinking water from parched river beds in many parts of Zimbabwe.
Others who no longer believe in traditional customs held Christian prayers.
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"Our people had forgotten their culture because of Westernization. See, now the ancestors responded, the heavens have opened in a big way. It is for the government to deal with the problems caused by the floods," said George Kandiero, the president of Zimbabwe's traditional healers' association.
The floods have mainly affected southern Zimbabwe, where the air force has transported some marooned villagers to safety. Some people are unable to reach clinics and schools. Dams have overflowed, raising concerns about communities living downstream.
Five bridges on major highways have been swept away nationwide, Transport Minister Joram Gumbo said.
"Our roads have deteriorated to the extent that some sections of the national road network have become impassable," Zimbabwe's Daily News newspaper quoted Gumbo as saying.
Zimbabwe's cash-strapped government is already struggling to meet routine commitments such as the payment of state workers' salaries. Thousands of nurses in state hospitals went on strike this week over a lack of bonus payments, straining an already dire situation at the poorly resourced hospitals.
State hospital doctors have been on strike since February 15, forcing the government to send in army and police doctors to care for patients.