1. Laboratory of Vaccinology/Biobanking; the Chantal Biya International Reference Centre for Research on the Prevention and Management of HIV/AIDS; Yaounde Cameroon
2. Department of Animal Biology and Physiology; Faculty of Sciences; University of Yaounde one; Yaounde Cameroon
3. Department of Biochemistry; Faculty of Sciences; University of Yaounde one; Yaounde Cameroon
4. Department of Biochemistry; University of Dschang; Dschang Cameroon
5. Department of Microbiology; University of Yaounde one; Yaounde Cameroon