TB Prevalence in Tanzania
The TB incidence has fallen from 306 per 100,000 population in 2015 to 253 per 100,000 in 2018. Indication a 17% reduction of TB Incidence rate. This makes Tanzania being among the 7 TB high burden countries which are on track to achieve the End TB 2020 Incidence milestones there has been a 19% reduction in TB mortality from 58/100,000 in 2014 to 40/100,000 in 2018.
In year 2018, a total of 75,845 cases of all forms were notified, which is an increase of 6,205 cases or 9% compared to the year 2017. New and relapse TB cases notified were 74,692 among them, 48% were bacteriological confirmed TB cases, 79% were pulmonary TB cases and children among the new and relapse cases were 14%. Table 2 below shows the comparison of TB notification in 2017 and 2018 by TB classification groups.
Figure 1: Trend of TB Notification 2012-2018
Tuberculosis Notifications By Region
Dar es Salaam city has remained a major contributor of TB cases notification in Tanzania. Its contribution makes 20% of all cases notified in the country, a 1% decline as compared to year 2017. There was considerable regional variation as in the previous years with 50% of cases being contributed by 7 regions - Dar-es-Salaam, Mwanza, Arusha, Geita, Dodoma, Manyara and Mbeya.
Tuberculosis Notification Rate
The country TB notification rate has been increasing for the last four years: 2015 to 2018, but there is still variation among the regions. In 2018, sixteen regions including the islands of Unguja na Pemba have notification rate below the national average of 138 cases per 100,000 population.
Figure 2: Notification rate of new and relapses TB cases 2018