1Department of Microbiology, Molecular Parasitology and Opportunistic Infections Program, University of Venda,
Private Bag X5050, Thohoyandou, 0950 South Africa.
2Department of Pharmaceutical Technology, Harare Institute of Technology, P.O. Box BE 277, Ganges Road, Belvedere, Harare, Zimbabwe.
3School of Natural Resource Management, Nelson Mandela Metropolitan University, George Campus,
Private Bag X6531, George 6530, South Africa.
4Department of Botany and Electron Microscope Unit, University Of Fort Harare, Private Bag X131400, Alice, 5700, South Africa.
Email: [email protected], [email protected]