1. Department of Environmental Health, School of Behavioural and Lifestyle Sciences, Faculty of Health Sciences, Nelson Mandela University, Gqeberha 6019, South Africa
2. Unit of Medical Parasitology and Entomology, Department of Biology/Microbiology, Abia State Polytechnic, Aba, Abia State, Nigeria
3. Unit of Medical Parasitology and Entomology, Department of Animal and Environmental Biology, Faculty of Biological Sciences, Abia State University, Uturu, Nigeria
4. Department of Medical Microbiology, College of Medicine, Imo State University, Owerri, Nigeria
5. Unit for Statistical Consultation, Research Development, Nelson Mandela University, Gqeberha 6019, South Africa
6. Department of Haematology, College of Medicine, Abia State University, Uturu, Nigeria