Hisham N Altayb

Institute of Endemic Diseases, University of Khartoum, Khartoum, Sudan

Nagwa M El Amin

Department of microbiology, Faculty of medicine, university of Khartoum, Sudan

Maowia M. Mukhtar

Institute of Endemic Diseases, University of Khartoum, Khartoum, Sudan

Mohamed Ahmed Salih

Head department of biotechnology, Biotechnology Park, Africa city of technology, Sudan

Mohamed A M Siddig

Botany department, Faculty of Science, University of Khartoum, Sudan