Volume 26, Number 3—March 2020
Research Letter
Low Prevalence of Mycobacterium bovis in Tuberculosis Patients, Ethiopia
Table
Number of cases by region and results of Mycobacterium tuberculosis testing for isolates in study of contribution of M. bovis to pulmonary tuberculosis, Ethiopia*
Region | Total no. cases | M. tuberculosis positive |
M. tuberculosis negative |
|||
---|---|---|---|---|---|---|
Culture positive | Culture negative/ contaminated | Culture positive | Culture negative/ contaminated | |||
Addis Ababa | 181 | 166 | 10 | 1 | 4 | |
Afar | 68 | 58 | 4 | 3 | 3 | |
Amhara | 138 | 121 | 6 | 5 | 6 | |
Benishangul Gumuz | 21 | 19 | 1 | 0 | 1 | |
Dire Dawa | 103 | 86 | 1 | 6 | 10 | |
Gambella | 121 | 105 | 4 | 7 | 5 | |
Harar | 52 | 50 | 2 | 0 | 0 | |
Oromia | 518 | 469 | 22 | 12 | 15 | |
SNNPR | 352 | 315 | 19 | 10 | 8 | |
Somali | 104 | 101 | 2 | 1 | 0 | |
Tigray |
77 |
62 |
10 |
2 |
3 |
|
Total | 1,735 | 1,552 | 81 | 47 | 55 |
*Of the 1,735 isolates available for typing, 1,599 yielded positive results for M. tuberculosis complex; of those, 1,597 (99.87%) were M. tuberculosis positive by RD9 testing and 2 (0.13%) were M. bovis positive by RD4 testing. Of the 2 RD4 positive results, 1 was from culture-positive and the other from smear-positive (culture negative) sediment. RD, region of difference.