Addressing the media on Thursday, Health and Child Care Minister Obadiah Moyo also announced an increase in the number of cholera cases with confirmed cases having now reached 3 766.
WHO, on the one hand, said it is providing kits that contain oral rehydration solution, intravenous fluids and antibiotics as the outbreak expanded quickly in Harare.
Outbreaks of cholera occur regularly in Zimbabwe because of dilapidated water and sanitation facilities.
Informal housing areas without running water have mushroomed, and basic infrastructure has collapsed due to years of neglect.
The area is vulnerable to cholera because of inadequate supplies of safe piped water, which has led people to use alternative unsafe supplies such as wells and boreholes.
The MDC is in charge of the Harare City Council which is accused of failing to provide running water and collect rubbish from residential areas regularly while government has also been fingered for being the author of the current macro-economic hardships that has brought poverty among Zimbabweans and made it hard for local authorities to function flawlessly.
The United Nations Human Development Index - which measures health, education and economic performance - ranks Zimbabwe 154 out of 188 countries.
More than 1 000 Red Cross volunteers are fanning out through the suburbs of Zimbabwe's providing water treatment, tracking and referral services, and are going door-to-door to provide families in high risk areas with information about cholera prevention.
Jessica Pwiti, the executive director of Amnesty International Zimbabwe, said it was appalling that people were still dying from a preventable disease in the 21st century. "But no lessons were learned from the 2008 epidemic and the outbreak and deaths we're seeing now is symptomatic of a still broken-down sanitation infrastructure and poor sewer management, worsened by shortages of drugs and medical supplies".
The plague has so far claimed the lives of 25 people while more than 2 000 have been infected with the disease since it reared its ugly head about a fortnight ago.