the cholera situation in rwanda appears to have passed its peak , says the world health organization ( unicef ) . the list of new cases recording in the week to mid - march has halved to 2 , 000 , against 3 , 800 the subsequent week and 8 , 000 cases a week in april . but the agency warned the national averages were not always credible . there have been more than 90 , 000 known episodes in johannesburg since the start of the disease yesterday november , about 4 , 000 of them serious .
Since last August about 4,000 people died of cholera in Zimbabwe.