Government last week declared the cholera outbreak in Harare a state of emergency due to the rising number of people dying or falling sick from the bacterial infection.
Twenty people had succumbed to cholera and 2 300 suspected cases had been recorded in Harare by Tuesday.
"Although I can not say we have contained the disease as of yet, we are moving swiftly in all provinces of the country", said Health Minister Obadiah Moyo.
The demise toll in Zimbabwe's cholera outbreak has risen to 28, state media talked about Sunday, because the health minister introduced unusual antibiotics had been being used after the disease rigidity was came upon to be proof against some medication.
He commended the Harare City Council and the police for removing illegal food vendors from the streets.
Public gatherings in the capital city of Harare were banned to prevent further spread of the disease, DW.com reports.
In a statement, the organization said its goal was to strengthen the coordination of the response and mobilize national and global health experts to form "a cholera surge team".
Newly-appointed Finance Minister Mthuli Ncube final week launched a crowd-funding effort to grab cash to fight the outbreak, publicising bank miniature print on Twitter and appealing for donations. Government officials have been accused of misusing public money, including allegedly purchasing new vehicles for cabinet members. "It is alarming and quite unusual for such a medieval and preventable disease to continue to claim such valuable lives in this day and age", said the Civil Society Health Emergency Response Coordinating Committee in a statement.
Health and Child Care Minister, Dr Obediah Moyo said short term interventions that the government has embarked on have assisted in containing the cases.
The disease can kill within hours if left untreated - it is an acute diarrhoeal disease that kills up to 143,000 people per year.
Cholera outbreaks have occurred regularly in Zimbabwe as authorities struggle to provide potable water and sanitation facilities.