1. Department of Microbiology, Sri Krishnadevaraya University, Anantapuramu, Andhra Pradesh, India
2. Department of Virology, Sri Venkateswara University, Tirupati, Andhra Pradesh, India
3. Department of Biomedical and Clinical Technology, Durban University of Technology, Durban, South Africa
4. Department of Biotechnology, Sri Krishnadevaraya University, Anantapuramu, Andhra Pradesh, India