CNN reports that Zimbabwe's government has declared a state of emergency in the capital Harare. This after 20 people died of cholera.<br />According to the country's health minister Obediah Moyo, at least 2000 cases have been recorded. He warned the disease was spreading across Zimbabwe.<br />The health minister said poor waste disposal systems and broken sewers which may have contaminated water sources in Harare have been blamed for the disease outbreak.<br />Cholera is an acute diarrheal illness that kills thousands of people worldwide each year. <br />
