1. Department of Medical Laboratory Sciences Faculty of Health Sciences, University of Buea BueaSW Region Cameroon
2. Department of Public Health and Hygiene Faculty of Health Sciences, University of Buea BueaSW Region Cameroon
3. Tuberculosis Reference Laboratory Littoral Regional Delegation of Public Health DoualaLittoral Region Cameroon
4. Department of Biological Sciences Faculty of Medicine and Pharmaceutical Sciences, The University of Douala Douala Littoral Region Cameroon
5. Department of Animal Organisms The University of Douala Douala Cameroon