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Cholera is an ongoing problem in Tanzania and the overall trend of incident cases has been fluctuating. Between October-December 2015 there was a significant reduction in the number of new cases reported in the following regions: Morogoro, Dar es Salaam, Tanga, Arusha and Singida. However, from mid December 2015 to the end of March 2016 the number of new cases reported started to increase again. Then, since mid-March 2016 there has been another reduction in new cases reported in the mainland.
Despite the apparent significant decline in the number of new cholera cases reported the risk of disease spread continues to exist due to; the vast geographical distribution of cases, persistence of underlying causative factors such as poor access to safe water and sanitation, inadequate surveillance and laboratory capacity, and the geographical mobility of symptomatic and asymptomatic individuals. The potential for international spread of this outbreak beyond the borders of Tanzania exists given the high and free mobility between this country and neighbouring countries.
(Via WHO Disease Outbreak News - accessed 26/04/16)
Cholera is a low risk for most travellers. Travellers to outbreak areas who will be mixing closely with the local population and cannot ensure safe drinking water can be immunised against cholera. A high standard of food/water precautions and personal hygiene should be maintained whenever possible.
