**Author details**

Marimuthu Ragavan Rameshkumar1 and Narasingam Arunagirinathan2,3\*

\*Address all correspondence to: n\_arunagiri@yahoo.co.in

1 Infectious Diseases Laboratory, Y. R. Gaitonde Centre for AIDS Research and Education, Voluntary Health Service Hospital, Chennai, India

2 Department of Microbiology, Presidency College (Autonomous), Chennai, India

3 Faculty of Humanities and Science, Meenakshi Academy of Higher Education and Research, Chennai, India
